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What is the resistance of a lamp, which draws a current of 3A from a battery whose e.m.f is 12V ?​

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Iqra321

Explanation:

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chongthamebomcha1234

Answer:

We have,

current, I = 3 A

potential difference,V = 12 V

resistance,R = ?

then,

Resistance,R = Potential difference,V/ Current,I

R= V/I

R = 12/3

R = 4

therefore, the required resistance is 4ohms( SI unit of resistance is ohm )

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