AIIMS 2010 Physics Galvanometer MCQ Question
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
47.1 V
57.1 V
67.1 V
77.1 V
Correct Answer
Detailed Explanation
Conservation of energy
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