When a 12V battery is connected across an unknown resister,there is a current of 2.5mA in the circuit. Find the value of the resistance of the resistor
Answers
Answered by
3
Answer:
Voltage=12v
Current=2.5mA (1mA=0.001A)
We know;
V=IR (by ohm's law)
12= 2.5/1000*R
12*10000/25=R
120000/25=R
R=4800 ohm
Answered by
1
Answer:
R=V/I
R=12/2.5
=4.8 ohm
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