# Potential Difference

## Trending Questions

**Q.**We have an electric kettle rated at 60V, 5A that runs for 5 minutes. The same amount of energy is used to accelerate a mass of 10kg. What is the velocity attained by the mass?

100√5ms−1

50√5ms−1

30√5ms−1

60√5ms−1

**Q.**

When an ideal conductor is connected to the terminals of a battery of 5V, the potential difference between the two terminals becomes

zero

5 V

infinite

2.5 V

**Q.**

What is the work done in moving a charge of 0.4 C across two points having a potential difference of 8 V?

- 3.2 J
- 0.2 J
- 1.2 J
- 0.4 J

**Q.**

Calculate the effective potential difference for the cells in series given below.

- 20 V
- 24 V
- 26 V
- 25 V

**Q.**The "amount of electricity" as observed by Henry Cavendish is the quantity that we refer to today as

- Mass
- None of the above
- Current
- Voltage

**Q.**

Electric potential difference between two points is the work done to move a unit charge from one point to the other.

- True
- False

**Q.**Potential difference is applied across the ends of a conductor. Choose the correct statement.

- Electrons move from the point which is at higher potential to the point which is at lower potential
- Electrons move from the point which is at lower potential to the point which is at higher potential
- Protons move from the point which is at lower potential to the point which is at higher potential
- Protons move from the point which is at higher potential to the point which is at lower potential

**Q.**

The water is flowing from a certain height on the paddle wheel. The water is going to turn a paddle wheel much quicker if _______.

- Higher
- Lower
- Water from any height will turn the paddle wheel equally.
- Data insufficient

**Q.**

Two points have a potential difference of 10 V. After connecting a conductor with zero resistance between the points, the final potential at each point becomes 25 V. What could be their initial potentials?

- 25V and 35V
- 20V and 30V
- 30V and 40V
- 35V and 45V

**Q.**

A point is said to have a high potential when there is a higher deficiency of ___ at that point.

- Protons
- Neutrons
- Atomic nuclei
- Electrons