Question

7A current flows for 25 minutes through a circuit having
3 ohm resistance. What will be the internal energy of the
circuit?
(A) 22 x 10^2
(B) 22.05 x 10^2 J
(C) 22.05 x 10^4 J (D) 22 x 10^4J​

Answer 1

Explanation:

H=I^2RT

H= 7^2×3×25×60

= 220,500

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