Question

when a 12v battery is connected across an unknown resistors there is a current of 3mA in the circuit then find the resistance of the resistor

Answer 1

$r = v \div i \\ r = 12 \div 3 \\ r = 4volt$
R= V/ I by ohms law

Answer 2

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According to Ohm’s law,

V = IR

=v/I

Here, V = 12 V and I = 3 mA = 0.003 A Therefore,

=12/ 0.003 = 4000 Ω = 4 kΩ

I hope, this will help you___❤❤

Thank you

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