AIIMS2010Physics-Current Electricity
AIIMS 2010 Physics Galvanometer MCQ Question
Type: MCQ-numerical-Medium-Class 12
A galvanometer has a current sensitivity of 1 mA per division. A variable shunt is connected across the galvanometer and the combination is put in series with a resistance of 500 Ω and cell of internal resistance 1 Ω. It gives a deflection of 5 division for shunt of 5 Ω and 20 division for shunt of 25 Ω. The emf of cell is
A
47.1 V
B
57.1 V
C
67.1 V
D
77.1 V
Correct Answer
Option C
Detailed Explanation
Conservation of energy
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