Question

100 J of heat is produced each second in a 4 resistance. Find the
potential difference across the resistor.​

Answer 1

Answer:

The produced heat is given as,

H=I 2 Rt

100=I

2 ×4×1

I=25A

The potential difference is given as,

V=IR

=5×4

=20V

Thus, the potential difference across the resistor is 20V.

Answer 2

Answer:   V = 20 Volt

Explanation:

As we know that $H=V^2t/R$

So, put the value of H= 100J

                                  R=4 Ohm

                                   t= 1 sec

So,  $100= V^2 * 1/ 4$

$V^2$ = 400

V = 20 Volt

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