Question

when a 12 volt battery is connected across an unknown resistor there is a current of 2.5 Mega ampere in the circuit calculate the value of the resistance of the resistor

Answer 1

Answered your question.

Hope it helps you.

Answer 2

We have potential difference (V) = 12V
Electric current (I)=2.5 mA= 2.4×10-3
According to Ohm’s Law (V) = IR
Or R = V/I
R=12/2.5x10-³=4.8x10³