Question

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

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Answer 1

Resistance = 12 / 25 x 10^ -3

= 0.48 x 1000

= 4800 ohms

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Answer 2

Answer:

R=V/I

R=12/2.5

=4.8 ohm