Question

It takes 10 J of energy to move 2 C of charge from point A to point B. What is the potential difference between point A and B?

A. 0.2 V
B. 20 V
C. 5 V
D. None of the above

Answer 1

The potential difference between points A and B is calculated by dividing the energy required to move a charge between these points by the amount of charge. In this case, it is 5 V, as 10 J of energy moves 2 C of charge.

Step-by-step explanation:

To calculate the potential difference between points A and B, one must divide the change in potential energy by the charge. The potential difference, also known as voltage, is expressed in units called volts (V). Given that it takes 10 J (joules) of energy to move 2 C (coulombs) of charge, the potential difference (V) can be calculated using the formula:

V = ∆PE/q

where ∆PE is the change in potential energy and q is the charge. Plugging in the given values:

V = 10 J / 2 C = 5 V

Therefore, the potential difference between point A and point B is 5 V, making the correct answer C.