Question

When a 4V battery is connected across an unknown resistor there is a current of 100mA in the circuit. The value of the resistance of the resister is​

Answer 1

V=IR V = 4V I = 100 mA = 0.1 A Hence R = V/I = 4/0.1 Ω = 40 Ω.

is ur answer

Answer 2

Refer image.

Explanation:

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