Math, asked by kavitamourya7435, 1 year ago

An+electrical+lamp+consumes+100+w+of+power+.if+the+supply+voltage+220v+.energy+consumption+in+30+minutes

Answers

Answered by Abhishek63715
0
we know that --
P=VI

P=100w ( given)

so, I = 100/220

we know that --
electrical energy= v×I×t

= 220×100/220×1/2(hour)
= 50 joules ans.

Similar questions