Physics, asked by souravsaha, 1 year ago

a coil when connected across the 100v dc supply decipates 500 watt of power,when connected across a 100 v ac supply of frequency 50hz it decipates 200 watt . find value of resistance

Answers

Answered by Physicsteacher
3
Use
P= V*2/R
Gives
R= 10000/500 =20 Ohms
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