AIPMT PRELIMS2008Physics-Electricity
AIPMT PRELIMS 2008 Physics Ohm's Law MCQ Question
Type: MCQ-numerical-Medium-Class 12
In the circuit shown, the current through the 4Ω resistor is 1 amp when the points P and M are connected to a D.C. voltage source. The potential difference between the points M and N is -
A
0.5 volt
B
3.2 volt
C
1.5 volt
D
1.0 volt
Correct Answer
Option A
Detailed Explanation
Using Ω's law, V = IR, the potential difference across the 4Ω resistor is 4V. The potential difference across the 0.5Ω resistor is 0.5V, hence the potential difference between M and N is 0.5V.
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