Question

what is the heat developed in 3 minute by a device of resistance 920π working under 230V in VIT equation
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Answer 1

Answer:

Given,

Voltage, V=230 V

Resistance, R=920 Ω

Time, t=3 min

t=3×60=180 s

We knw,

Heat dissipated, H=RV2t

H=9202302×180

H=10350 J

Answer 2

Answer:

Hope this helps you.

Explanation:

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