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Midterm - Physics
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Terms in this set (86)
Resistivity is a measure of the resistance of a given size of a specific material to electrical conduction.
True
A voltmeter is connected Series in a resistors to measure voltage.
False
The unit of current is OHM.
False
Voltmeter is connected in parallel with a device to measure it's voltage.
True
Ammeter is used to measure Current.
False
Ammeter is connected in parallel with a device to measure it's current.
True
Ammeter is used to measure Voltage.
False
Current is measured in Amperes.
True
A voltmeter is consist of a box with two wires a positive and a negative.
True
Energy is a rate at which work is done and it is the rate at which Energy transferred.
False
Ammeter and Voltmeter that measures charges.
False
Symbol 'A' stands for length of ammeter.
False
Ammeter is connected in series with a device to measure it's voltage.
False
Ammeter is connected parallel in a device.
True
A circuit cannot functions without a source.
True
Wire ends in a metal-tipped wand called circuits.
False
The unit of Power is WATT(W).
True
Ammeter and Voltmeter are considered device used in a circuit.
True
Voltmeter is a device used for measuring the potential difference between 2 different points in space.
True
The unit of Volts is called Voltmeter.
False
Circuits consists of circuit element and wires, the wires are called conductors.
True
Power is measured through the used of a device called Circuit breaker.
False
The unit JOULEs is also called OHM.
False
The positive ad negative signs on the resistors can be neglected and it doesn't affect the result,
False
The unit of POWER is WATT.
False
KCL is for Voltage while KVL is for current.
False
Symbol 'V' stands for current circuit.
False
Closed loop is also Called a circuit.
True
KCL : CURRENT ; KVL : VOLTAGE.
True
KCL states that,in a closed circuit the entering current at node is equal to the current leaving at the node.
True
Current is not the flow of charges, it is the rate of flow of charges.
True
A circuit has always a Ground.
True
KCL stands for kirchhoff's current law.
True
Kirchhoff's Current Law is also Known as 2nd Law of motion.
False
KVL states that the algebraic sum of the voltage at node in a closed circuit s equal to zero.
True
The unit for resistance is OHM.
True
Wires are good conductors of Electric charges.
True
A circuit can"t function without a resistors ?
False
Resistance is the unit of Resistors.
False
KVL stands for kirchhoff's voltage lane.
False
Circuits consists of circuit element and wires, the wires are called?
Conductors
Find P if I=1 and V= 2.
2
The Ammeter is a device used to measure ?
Current
Circuits is consists of circuit elements and wires, the wires is called _________ ?
Conductors
Find V if P=3 and I=2.
1.5
Is a device connected in parallel with a device to measure it's current.
Ammeter
Current is measured in ?
Amperes
KVL stands for ?
Kirchhoff's Voltage Law
The unit of Power is ?
Watt
It is the rate of flow of charges.
Current
Voltmeter is measured through the used of Volts.
False
The unit of Resistance is what ?
Ohm
The wires of ammeter is both Positive respectively.
false
The 2kinds of charge are ?
Positive, Negative
Is a device connected in parallel with a device to measure it's voltage.
Voltmeter
___________________ may also referred to as the specific electrical resistance.
Resistivity
Power is equal to current multiply by_________________ ?
voltage
Find I if P=6 and V=1.
6
The unit of POWER is __________?
all of the above
If the power is constant, is simply the Formula of it is ?
E = Pt
KVL states that the total ____________ around a closed loop must be Zero.
Voltage
Power is a rate at which work is done and it is the rate at which energy transferred.
TRUE
KCl stands for?
Kirchhoff's Current Law
Voltmeter : Voltage ; Ammeter : ____________ ?
Current
Find R total if the resistors connected in a series, The value of R1= 6, R2= 3, R4=5, R5=5, R6=6.
25
It is also called a higher potential terminal.
Positive
The unit of Voltmeter is Ammeter.
False
Voltage is measured through the used of _______________?
Voltmeter
The unit of Ampere is current.
False
It is a measure of resistance of a given size of specific material to electrical conduction.
Resistivity
________________ is a wire that has a metal tipped wand.
Probe
Find V if I=2 and P=22
11
Find V if I=5 and P=4.
0.8
Find the total resistor if R1, R2, R3 and R4 is connected in series and there value is 2 ,4 ,6 ,8 respectively.
20
_________________ is a rate at which work is done and it is the rate at which energy is transferred.
Power
States that the algebraic sum of the voltage at node in a closed circuit is equal to zero.
KVL
The unit of Power is WATTs.
True
Find P if I= 3A and V=3V.
9
Is a device used for measuring the potential difference between 2 different points in space.
Voltmeter
KCL is also called @nd Law of motion ?
FALSE
Symbol 'A' stands for Length of ammeter ?
FALSE
The "P" symbol stands for ?
Power
The ammeter and a voltmeter is very useful in a circuit.
True
___________________ IS ALSO CALLED A LOWER POTENTIAL TERMINAL.
NEGATIVE
Find P if I=6A and V=3V.
18Watts
States that in a closed circuit that the entering current at node is equal to the current leaving at the node is?
KCL
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