Question

How much current does an electric lamp draw from a 220 V line, if the resistance of the filament (when hot) is 110 ohm?

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Answer 1

Answer:

I = 2 A

Explanation:

We know that, V = IR

220 = I × 110

I = 220 ÷ 110

I = 2 ampere

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Answer 2

Explanation:

V=IR

so I= V/R

= 220/110

= 2 amp