Question

A current of 5A is passed through a resistance
of 84 12. The amount of heat given out by it in
one minute is (J = 4.2 J/ cal)​

Answer 1

Step-by-step explanation:

The heat generated is approximately equal to h=i^2*R*t

Here I= 5A

R=12 ohm

t= 60 sec

So h=25*12*60 =18000 joule =18 kJoule

Answer 2

Answer:

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