Question

Find out theheat developed in 5 minutes by a device of resistance 600 Ω working under 230 V​

Answer 1

Answer:

10350 J

Explanation:

V=230 V

R=920 W

t=3×60 sec

I= R\V

920/230

​ =0.25

H=I ^2RT

=0.25 ^ 2×920×2×60

=10350 J