Question

Which one has more resistance a 60W or 100W bulb both operating at 220V

Answer 1

We know that

P=I.V

As V is constant P is directly proportional to I

The bulb having more more will conduct more electric current

Also

V=IR

I is inversely proportional to R

Bulb having more current will have low resistance

So,100 W bulb will have less resistance than 60W bulb

Hope it helps you

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