Question

in this question when I tried to find the resistance using V = IR formula the answer came out to be 488.89 Ohm why so??

Answer 1

P=100watt

V=220volt

P=VI

100=220×I

I=10/22

V=IR

R=V/I

R=220/10/22

R=220×22/10

R=484ohm

Answer 2

Must be because we are not given the value of both R and I .

So maybe you are putting some wrong values.