Physicshard · Past Paper
How much work is done to move a 2mC (millicoulomb) charge across a potential difference of 5V?
A10 J
B0.01 J
C100 J
D0.1 J
✓ Correct Answer: B — 0.01 J
W = Q * V. 2 mC = 0.002 C. W = 0.002 * 5 = 0.01 Joules.
Share this question
More from Physics
- What type of lens is used to correct Myopia (Short-sightedness)?
- The work-energy theorem states that work done on a body is equal to change in its:
- A train 100m long is crossing a bridge of length 200m at a speed of 72 km/h. The time taken is:
- Which of the following physical quantities is a scalar quantity?
- Which of the following materials is the best absorber of sound?