Electric Potential Difference and Its Unit

Q.

Define the potential difference between two points.

Q.

What is the unit of potential difference?

Q. The potential difference between two points when 1 joule of work is done on 1 coulomb of charge is defined as:

1. 1 milivolt
2. $\frac{1}{10}$ volt
3. 1 volt
4. 100 volts

Q.

Joules per coulomb is same as?

Q.

Name the quantity which can be denoted by joule/coulomb.

Q.

Define: 1 volt, Potential difference, Ohms law in easy language

Q.

What is the difference between absolute potential and potential difference?

Q.

How do you define electric potential?

1. Qualitative definition.
2. Quantitative definition.

Q. As the height of a substance or a body is increased with respect to Earth, the body gains more energy.

1. potential
2. kinetic
3. thermal

Q. Potential difference is created in an electric circuit due to ______________.

1. electric cell
2. voltmeter
3. bulb
4. conductor

Q. The unit of potential difference is .

1. volt
2. watt
3. ampere

Q. Electrons in a circuit always need a closed path to move when a potential difference is applied.

1. True
2. False

Q.

We know emf of a cell

1. depends on the resistance of the circuit

2. exists even when circuit is not used

3. is equal to the $P.D.$ between any two points of a conductor

4. exists throughout the circuit

Q. The device which measures the electric potential difference between two points is called as ___.

1. ammeter
2. voltmeter
3. potentiometer
4. ohmmeter

Q.

Which of the following statement(s) is/are true, regarding the electrical set-up for verification of Ohm's law?

1. The voltmeter is connected in parallel with the known resistance.

2. The ammeter is connected in series in the circuit.

3. The rheostat can only increase the resistance in the circuit.

4. There is a sliding contact on the coil which is used to change the value of resistance.

Q. The work done in moving a unit positive charge between two points in an electric circuit is a measure of _____.

1. current
2. potential energy
3. kinetic energy
4. potential difference

Q. The device that is used to make or break the electric circuit is known as a _________.

1. bulb
2. switch
3. cell
4. wire