Question

When a 12V battery is connected across an unknown resistor, there is a current of 4 mA in the circuit. Find the value of the resistance of the resistor.

Answer 1

Answer:

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Answer 2

Answer:
If Voltage= 12v
Current = 4mA
Resistance=x
R=V/I
x= 12 \ 4*10 to the power -3 A
x= 12* 10 to the power -3\ 4
=12000 \ 4
=x= 3000 ohms
=. x = 3 kohms