Physics, asked by aniket1401, 1 year ago

answer this question please

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Answered by thatonenerd

0

P = 100W

V= 220V

t=20s

P= Vsquare / R

100 =484/R

R = 4.84ohm

H=Vsquare*t/R

t = 20m

t in seconds is t=120s

H = 484*120/4.84

solve the rest.i hope it helps

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