Question

when a 12V battery is connected across an unknown resistor, there is a current of 2.5 mA in the circuit. find the value of the resistance of the resistor

Answer 1

1 mA = 0.001 A
2.5 mA = 0.0025 A

Resistance = voltage / current
= 12 / 0.0025
= 4800 ohms

Answer 2

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According to Ohm’s law,

V = IR

=v/I

Here, V = 12 V and I = 2.5 mA = 0.0025 A Therefore,

=12/ 0.0025 = 4800 Ω = 4.8 kΩ

I hope, this will help you___❤❤

Thank you

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