when a 12 volt battery is connected across an unknown resistor there is a current of 2.5 Milli ampere in a circuit .calculate the value of resistance offered by the resistor
Answers
Answered by
10
Answer:
potential differemce=12v
current = 2.5mA
∵1 A=1000m
∴2.5mA=0.0025 A
∵R=V/I
=12/0.0025
=4800 ohm
Similar questions