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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…

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,…

Conductor

Closed Circuit

Series circuit

current

A material that has atoms that loosely hold onto electrons

Includes a power source and a wire connecting to both termina…

A circuit that has only one path for electrons to flow

Electrons flowing in one direction along a conductor

Conductor

A material that has atoms that loosely hold onto electrons

Closed Circuit

Includes a power source and a wire connecting to both termina…

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…

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…

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…

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…

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

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

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

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

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…

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

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

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…

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

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…

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…

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

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…

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 ____.

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

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

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?

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…

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

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

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

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.

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…

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…

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…

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…

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)

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

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.

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

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

Electric Current

Voltage Difference

Dry Cell

Wet Cell

Net movement of electric charges in a single direction throug…

Force that causes electric charges to to flow from high to lo…

Chemical Reaction that occurs in moist place causing transfer…

2 connected plates made of different metals in conducing solu…

Electric Current

Net movement of electric charges in a single direction throug…

Voltage Difference

Force that causes electric charges to to flow from high to lo…

Ampere

Battery

Circuit breaker

Combination series

A Flow of electric charge or electrical current equal to 1 C…

A device made up of several galvanic cells connected together…

An automatic switch that opens when the current through an el…

a complex electric circuit day includes both series and paral…

Ampere

A Flow of electric charge or electrical current equal to 1 C…

Battery

A device made up of several galvanic cells connected together…

resistance

Ohm's Law

thin wire ---- more

long wire ----- more

work against flow of charge, causes heat and light

more ohms (resistance) needs more voltage to keep the amps (c…

resists

resists

resistance

work against flow of charge, causes heat and light

Ohm's Law

more ohms (resistance) needs more voltage to keep the amps (c…

Current Electricity

Difference between static and current…

Electric Circuit

Parts of an electric circuit

Steady, controlled flow of electrons through a conductor, use…

•can't control the flow of electrons but in current you can…

Controlled path for the flow of electric current

Energy source... Load... Conductors... Switch

Current Electricity

Steady, controlled flow of electrons through a conductor, use…

Difference between static and current…

•can't control the flow of electrons but in current you can…

electrodynamics

electric charge, electric current, ele…

electric charge (q)

electric current (I)

study of charges in motion

six basic electrical quantities

most fundamental electrical quantity

rate of net flow of charge

electrodynamics

study of charges in motion

electric charge, electric current, ele…

six basic electrical quantities

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

invention of battery (Volta)

conventional flow

current

ammeter

allowed people to sustain electrical experiments... observe curr…

direction of current is direction of flow of positive charges…

I = ∆Q/∆t (amps, A = C/s)... flows from positive to negative ter…

connected as part of the circuit loop ... measures current (I) i…

invention of battery (Volta)

allowed people to sustain electrical experiments... observe curr…

conventional flow

direction of current is direction of flow of positive charges…

Electric current transers these

Electrons flow from...

Batteries and generators...

Electron pumps

Electrons

Higher to lower potential

Pump electrons to higher concentrated areas than beginning

Convert various forms of energy to electric energy

Electric current transers these

Electrons

Electrons flow from...

Higher to lower potential