Question

5 joule of work is done in moving a charge +2C from one end to
other end of a conductor.
what is
Potential difference​

Answer 1

Explanation:

We have to take potential difference as work done per unit charge to bring it from a point 0 to 12V. Hence, the work done in moving a charge of 2c across the two points having a potential difference is 12V is 24J.

Answer 2

Answer:

To calculate electrical power..

Explanation:

So if 1 watt = 1 joule/second, it therefore follows that: 1 Joule of energy = 1 watt per second, that is: Work equals power times time. So electrical energy (the work done) is obtained by multiplying power by the time in seconds that the charge (in the form of a current) flows.

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