Question

Please solve it urgently ​

Answer 1

We know that,

Workdone = V × I × t

Here, Workdone = 1200 J

Current, I = 3A

Time taken, t = 5 min = 300 sec

So, 1200 = V × 3 × 300

1200/900 = V

So V = 4/3 volts

Now, Total power = V × I

So, P = 4/3 × 3 = 4 watt

Hope it helps!!!