when a 12 volt battery is connected across an unknown resistor ,their is a current of 2.5 ma in the circuit. find the value of the resistance of the resistor?
Answers
Answered by
2
Answer:
4800 ohm
Explanation:
v=IR
12v = 25/10000 Amphere x R
r= 4800 ohm
Answered by
3
Answer:
4800 Ohms
Explanation:
By ohm's law
V=IR or
R=V/I (1)
GIVEN:I=2.5mA=2.5×10^-3
V=12V
(1) becomes
R=12/2.5×10^-3 OR
R=12×10^3/2.5 = 12×1000/2.5
R=12×400
R=4800 ohms
therefore resistance is equal to 4800ohms
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