Study sets matching "current circuits"

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Study sets matching "current circuits"

16 terms
Current and Circuits
alternating current, AC
ampere
direct current, DC
electric current
an electric current that repeatedly reverses direction, twice…
A flow of one coulomb of charge per second is one ampere, SI…
an electric current whose flow of charge is always in one dir…
the flow of electric charge: SI unit: measured in amperes A
alternating current, AC
an electric current that repeatedly reverses direction, twice…
ampere
A flow of one coulomb of charge per second is one ampere, SI…
CIRCUITS AND CURRENT
circuit
parallel circuit
series circuit
Schematic diagram
any path along which electrons can flow
a circuit that allows the current to go down multiple paths,…
a circuit that has one pathway that the current can flow thro…
a certain type of circuit drawing
circuit
any path along which electrons can flow
parallel circuit
a circuit that allows the current to go down multiple paths,…
8 terms
Current and Circuits
Current
Circuit
Simple Circuit
Parallel Circuit
A flow of electrons through a conductor. A measure of the amo…
A path that electrons follow as they flow through a conductor…
an electric current with a battery, a path for electrons to f…
Has two or more paths for electrons to flow on with objects t…
Current
A flow of electrons through a conductor. A measure of the amo…
Circuit
A path that electrons follow as they flow through a conductor…
Circuits and Current
Charge equation
Current equation
Series circuit
Resistance in a series circuit equation
Q = It... Charge = current x time
V = IR
- one path of resistors... - voltage changes through resistors... -…
Rt = R1 + R2 + R3...
Charge equation
Q = It... Charge = current x time
Current equation
V = IR
circuits and current
the current is the amount of charge fl…
we use an ammeter and measure in amps
From the wires, moved by the cell or b…
charge
describe what current is
Name the meter that you use to measure current
where do charges come from?
current is the amount of .....
the current is the amount of charge fl…
describe what current is
we use an ammeter and measure in amps
Name the meter that you use to measure current
9 terms
Current and Circuits
electric current
conventional current
battery
electric circuit
A flow of charged particles.
A flow of positive charges that move from higher potential to…
A device made up of several galvanic cells connected together…
A closed loop or pathway that allows electric charges to flow.
electric current
A flow of charged particles.
conventional current
A flow of positive charges that move from higher potential to…
14 terms
Current and Circuit
Current
AC
DC
Voltage
the amount of electricity flowing through a circuit, measured…
alternating current in which electrons switch directions 120…
direct current in which electrons travel in one direction (ba…
the "push" of electricity, measured in volts
Current
the amount of electricity flowing through a circuit, measured…
AC
alternating current in which electrons switch directions 120…
Circuits and current
What is a circuit? What is the differe…
Which parts of a light bulb are conduc…
What are the 3 requirements for a bulb…
What is electric potential difference?
-a complete pathway of conductors that allows electrons to fl…
-bulb tip, thread, are conductors, as well as the clips and s…
-Circuit must be complete, meaning that it must be a closed l…
-more commonly known as voltage, it is the amount of electric…
What is a circuit? What is the differe…
-a complete pathway of conductors that allows electrons to fl…
Which parts of a light bulb are conduc…
-bulb tip, thread, are conductors, as well as the clips and s…
38 terms
Current and Circuits
A flashlight bulb with a potential dif…
A wire carries a steady current of 0.1…
How is current affected if the time in…
How much current flows through a resis…
0.56 A
2C
The current increases.
4.28 X 10-1
A flashlight bulb with a potential dif…
0.56 A
A wire carries a steady current of 0.1…
2C
Current Electricity & Circuits
I = V / R
Current
Thomas Edison
Voltage
Ohm's Law
the actual "substance" that is flowing through the wires of t…
"All you need to be an inventor is a good imagination and a p…
a force that pushes the current through the circuit
I = V / R
Ohm's Law
Current
the actual "substance" that is flowing through the wires of t…
Currents & Circuits
a current is-
a circuit is-
potential difference is-
resistance is-
a measurement of the number of electrons that flow past in a…
a route that electrons travel on to give electricity to things
a comparison of the energy of an electron at two different lo…
a measurement of how difficult it is for electrons to flow th…
a current is-
a measurement of the number of electrons that flow past in a…
a circuit is-
a route that electrons travel on to give electricity to things
5 terms
Circuits and currents
The amount of chatge flowing per second
Complete the circuit by closing the ga…
Ammeter
Amps
What is a current
What do you need to do to make a current flow
What do you measure current with
What do you measure current in
The amount of chatge flowing per second
What is a current
Complete the circuit by closing the ga…
What do you need to do to make a current flow
39 terms
Circuits and currents
Ammetre
Amps
Atom
Attract
A device for measuring electric current in a circuit
Units of measurement of electric current, Symbol A
A neutral; everything is made up of
Pulled together. For example, opposite poles of a magnet attr…
Ammetre
A device for measuring electric current in a circuit
Amps
Units of measurement of electric current, Symbol A
20 terms
Currents and circuits
Electric current
Conventional current
Battery
Electric circuit
A flow of charged particles
The direction in which a positive test charge moves
Several galvanic cells connected together that converts chemi…
Any closed loop or conducting path that allows electric charg…
Electric current
A flow of charged particles
Conventional current
The direction in which a positive test charge moves
6 terms
Current/ Circuit
Direct current
Alternating current
Series circuit
1. When one bulb goes out, all bulbs g…
Voltage or current that stays the same
The current or voltage changes
Circuit in which the electrons only have one path to follow
Disadvantages for series circuit
Direct current
Voltage or current that stays the same
Alternating current
The current or voltage changes
16 terms
Electric Current and Circuits Vocabulary
parallel circuits
volt
third (ground) prong
electric current
A circuit where the electricity flows through separate branch…
The unit of electric potential difference, or how strong the…
The third prong on a plug that helps protect against short ci…
The flow of electric charges through a material.
parallel circuits
A circuit where the electricity flows through separate branch…
volt
The unit of electric potential difference, or how strong the…
21 terms
Currents and Circuits
electric current (I) aka current
electric circuit aka circuit
wet cell
battery (dry & wet)
flow of charged particles
continous path thru which electric charge flows
car battery (uses water to create conduction)
device that converts chemical energy into electrical energy
electric current (I) aka current
flow of charged particles
electric circuit aka circuit
continous path thru which electric charge flows
19 terms
Electric Current and Circuits
Voltage
Current
Electric Circuit
Conductors
This causes charges to move in a circuit
Voltage is divided by this to equal resistance
A complete unbroken path that electric charges flow through.
Materials that charges flow through easily
Voltage
This causes charges to move in a circuit
Current
Voltage is divided by this to equal resistance
30 terms
Electric Current and Circuits
Electric current
ABBREVIATION: Current
MEASUREMENT: Current
ABBREVIATION: Amperes
Net movement of electric charges in a single direction... Movem…
I
Amperes
A
Electric current
Net movement of electric charges in a single direction... Movem…
ABBREVIATION: Current
I
14 terms
current and circuit
ac
circuit
c breaker
current
current in which electrons switch directions 100 times per cu…
complete closed path through which electricity flows
a switch that automatically opens if the current in the circu…
the amount of electricity flowing in a circuit (AMPs)
ac
current in which electrons switch directions 100 times per cu…
circuit
complete closed path through which electricity flows
6 terms
Current and circuit
Electric current
Conventional current
Battery
Resistor
A flow of charged particles.
This flow of positive charge.
Several galvanic cells connected together.
Is a device designed to have a specific resistance.
Electric current
A flow of charged particles.
Conventional current
This flow of positive charge.
9 terms
Electrical current and circuits
electrical current
voltage
resistance
conductor
the movement of electrically charged particles, atoms, or ion…
A quantity measured as a signed difference between two points…
A certain hindrance or opposition to the passage of an electr…
a device designed to transmit electricity, heat, etc.
electrical current
the movement of electrically charged particles, atoms, or ion…
voltage
A quantity measured as a signed difference between two points…
16 terms
Electric Current and Circuits Vocabulary
parallel circuits
volt
third (ground) prong
electric current
A circuit where the electricity flows through separate branch…
The unit of electric potential difference, or how strong the…
The third prong on a plug that helps protect against short ci…
The flow of electric charges through a material.
parallel circuits
A circuit where the electricity flows through separate branch…
volt
The unit of electric potential difference, or how strong the…
25 terms
Electricity: Static, Current and Circuits
electric charge
electric force
electric field
static electricity
can be positive or negative, the SI unit is the Coulomb (C)
The attraction or repulsion between electrically charged obje…
The field around charged particles that exerts a force on oth…
electric charge at rest; generally produced by friction or in…
electric charge
can be positive or negative, the SI unit is the Coulomb (C)
electric force
The attraction or repulsion between electrically charged obje…
23 terms
Circuits and Currents
What is electric current?
What direction does charge flow?
What makes up a battery?
What supplies the potential difference…
The flow of electric charge
direction in which protons flow
multiple cells
batteries
What is electric current?
The flow of electric charge
What direction does charge flow?
direction in which protons flow
22 terms
Currents and Circuits
Current
Define each variable and units I= Q/T
How many volts are in a AAA battery?
How many volts are in a AA battery?
the amount of charge that flows past a fixed point in a certa…
I is current (amps or coulombs per second) Q is charge T is t…
1.5 Volts
1.5 Volts
Current
the amount of charge that flows past a fixed point in a certa…
Define each variable and units I= Q/T
I is current (amps or coulombs per second) Q is charge T is t…
11 terms
(#6) Current, Circuits, Magnets
electric current
electric conductor
electric insulator
circuit
the flow of electric charge
something that allows electric charge to flow through it easily
something that does not allow electric charge to flow through…
a path for electric current to travel through
electric current
the flow of electric charge
electric conductor
something that allows electric charge to flow through it easily
Electric Current and Circuits
electrons
current
less
ohms
In solid conductors, electric current is the flow of...
An ampere is a unit of ____.
Compared to thin wires, electrical resistance in thick wires…
Resistance is measured in ______.
electrons
In solid conductors, electric current is the flow of...
current
An ampere is a unit of ____.
2. Current and Circuits
voltage (V)
current (I)
resistance (R)
Ohm's Law
the potential difference (work per unit charge); moves across…
the amount of charge moving through conductor per second
the opposition to the flow of charges (ohm); kind of like a f…
Resistance is directly proportional to voltage and indirectly…
voltage (V)
the potential difference (work per unit charge); moves across…
current (I)
the amount of charge moving through conductor per second
35 terms
Current Electricity & Circuits
When certain insulators are rubbed aga…
Materials which cannot conduct
They become electrically charged
Negatively charged electrons are rubbe…
How is static electricity created?
What is an Insulator?
What happens when the insulators are rubbed against each other?
In terms of particle what happens when the insulator are rubb…
When certain insulators are rubbed aga…
How is static electricity created?
Materials which cannot conduct
What is an Insulator?
Physics: Current/Circuits
Current
Parallel Circuit
Series Circuit
Schematic Diagram
The amount of charge flowing through the circuit
The resistors offer many pathways for the electrons to follow
The resistors form a single pathway for electrons to follow
Not-completely realistic version of a diagram
Current
The amount of charge flowing through the circuit
Parallel Circuit
The resistors offer many pathways for the electrons to follow
29 terms
Electric Current and Circuits
Series circuit
Parallel circuit
Closed circuit
Open circuit
Circuit in which the current has only one path
Circuit in which the current can take more than one path
Circuit in which there is a complete path for current to flow
A circuit in which there is a break so that current cannot flow
Series circuit
Circuit in which the current has only one path
Parallel circuit
Circuit in which the current can take more than one path
44 terms
Electric current and circuits
potential difference
decreasing
10A,com,10A,
V,com,2
When the ends of an electric conductor are at different elect…
In a parallel circuit whenever you add a device(or resistor o…
When using a multimeter and measuring current the red cable s…
When using a multimeter and measuring voltage the red cable s…
potential difference
When the ends of an electric conductor are at different elect…
decreasing
In a parallel circuit whenever you add a device(or resistor o…
11 terms
Alternating Current and RC Circuits
Electric Potential Energy
Potential Difference
Current
Resistance
The potential energy of a charge at some point in an electric…
Another name for Voltage. It's the difference in electric pot…
The flow of charge per unit time
The ratio of voltage to current for a circuit. More resistanc…
Electric Potential Energy
The potential energy of a charge at some point in an electric…
Potential Difference
Another name for Voltage. It's the difference in electric pot…
20 terms
Current Electricity and Circuits
electric potential difference
electric current
conventional current
battery
the difference in electrical charge between two points in a c…
the flow of electrical charges
a flow of positive charges that move from high potential to l…
a device made up of several galvanic cells connected together…
electric potential difference
the difference in electrical charge between two points in a c…
electric current
the flow of electrical charges
30 terms
Electrical Energy, current, & circuits
Cell:
Battery:
Current:
Resistance:
A device that produces an electric current by converting chem…
A device made up of several cells.
The rate at which charge passes a given point.
The opposition to the flow of electric charge
Cell:
A device that produces an electric current by converting chem…
Battery:
A device made up of several cells.
Current and Voltage in Circuits
Ammeter
Voltmeter
Potential Difference
Electrons
Equipment to measure current
Equipment used to measure voltage
Another name for Voltage
The particle that moves to cause current
Ammeter
Equipment to measure current
Voltmeter
Equipment used to measure voltage
15 terms
Magnets, Electricity, Circuits and Current
magnet
pole
attract
repel
a metal object that can pull some other metal objects toward…
either end of a magnet, where the magnetic force is strongest…
to pull towards oneself
to push away from oneself
magnet
a metal object that can pull some other metal objects toward…
pole
either end of a magnet, where the magnetic force is strongest…
8 terms
Electric current and circuits ( final)
flatlands
hills
skiers
source
The wires are like________.
the devices(resistors) are like______
The current is like_______.
The voltage _______ is the voltage at the battery.
flatlands
The wires are like________.
hills
the devices(resistors) are like______
32 terms
Current Electricity and Circuits
Current
Positive charges are moving as a resul…
What is meant by the term "ohmic"?
What is meant by the term "non-ohmic"?
The flow of a charged particle
Potential Difference
Resistance is constant
Resistance is not constant
Current
The flow of a charged particle
Positive charges are moving as a resul…
Potential Difference
31 terms
Physics: Electric Current and Circuits
High and Low Electric Current
Electric Current
Amperes
How do Volts, OHMs, Amps, and Watts in…
More charged particles = high current ... Less charged particle…
Symbol: I ... In circuits the current is carried by electrons…
aka amps ... The unit of electrical current... Symbol: A
High and Low Electric Current
More charged particles = high current ... Less charged particle…
Electric Current
Symbol: I ... In circuits the current is carried by electrons…
33 terms
Current, Voltage and resistance in circuits
Current
Amperes, Amps, Voltage
Voltage, Volt, charge
Resistance, Electrons, Higher, Resista…
_______ is the rate of flow of charge round the circuit
Current is measured in _______ (___ for short), A.... Current w…
_______ is the driving force that pushes current round a circ…
__________ describes how difficult it is for _________ to flo…
Current
_______ is the rate of flow of charge round the circuit
Amperes, Amps, Voltage
Current is measured in _______ (___ for short), A.... Current w…
Current, Ohms Law and Circuits
Electric current
Direct current
Alternating current
Electrical conductor
Continuous flow of electric charge
Charge flows only in one direction (DC)
Flow of electric charge that regularly reverses it's direction
A material through which charge can flow easily (Ex: copper a…
Electric current
Continuous flow of electric charge
Direct current
Charge flows only in one direction (DC)
16 terms
Electric Circuits and Currents
conductor
electric circuit
electric current
electric generator
material that easily carries thermal energy or electricity
A complete, unbroken path through which electric charges can…
continuous flow of electric charge
a device that converts mechanical energy into electrical energy
conductor
material that easily carries thermal energy or electricity
electric circuit
A complete, unbroken path through which electric charges can…
Electric current/circuits Wilson/Bolden
Electric current
Voltage
Electric Circuit
Resistance
...... The continuous flow of electric charges through a material
...... Measure of potential energy generated by separated charge.
...... A complete, unbroken path through which electric charges…
...... A material's opposition to the flow of electric current.
Electric current
...... The continuous flow of electric charges through a material
Voltage
...... Measure of potential energy generated by separated charge.
19 terms
Current & Circuits Vocabulary
Ammeter
Amp
Electric current
Ohm's Law
A device designed to measure the flow of current through a po…
The maximum displacement from equilibrium
The flow of electric charge from one place to another
The law relating the potential difference applied to a wire t…
Ammeter
A device designed to measure the flow of current through a po…
Amp
The maximum displacement from equilibrium
Electric Currents and Direct-Current Circuits
Current (through a current carrying wi…
Charge as a function of time
Current Density
Drift speed
i=q/t=dq/dt
Q(t)= integral from 0 to T of i dt
J= i/A
V= L/t... in i=q/t the time... t= L/drift velocity and the charge…
Current (through a current carrying wi…
i=q/t=dq/dt
Charge as a function of time
Q(t)= integral from 0 to T of i dt
59 terms
ELECTRICITY- Electric current & DC circuits
Define current
What charge carrier are in metals? Wha…
Define coloumb
Define voltage
The rate of flow of charge in a wire or component.
Conduction electrons, they repeatably collide with the positi…
the amount of charge that passes in 1 second if the current i…
is the work done per unit charge moved.
Define current
The rate of flow of charge in a wire or component.
What charge carrier are in metals? Wha…
Conduction electrons, they repeatably collide with the positi…
15 terms
Electrical Current and Circuits
static electricity
electric current
conduction
induction
build up of charges that pass QUICKLY to another object
continuous flow of charges through a conductor or wire
when an object with an excess of electrons touches a neutral…
a neutral object acquires a charge from a charged object close
static electricity
build up of charges that pass QUICKLY to another object
electric current
continuous flow of charges through a conductor or wire
15 terms
Current Electricity and Circuits
Electric Current
Current electricity
Static electricity
Three required elements of a simple ci…
Electrons flow through an electrical circuit
Has a continuous flow of electrons
Electrons jumping
Source; transfer: resistor
Electric Current
Electrons flow through an electrical circuit
Current electricity
Has a continuous flow of electrons
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