Science, asked by kamalkishorew321, 8 months ago

a)A device having resistance 484ohms works on 220V.Find its power.
b) What would be the cost of using this device for 8 hours at the rate of Rs2 per unit​

Answers

Answered by sandeepsirvi2007
2

Answer:

apply ohms

V=IR

220=I ×484

or

I = 220/484

I= 0.45 ampere

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