AIIMS2000Physics-Current Electricity

AIIMS 2000 Physics Galvanometer MCQ Question

Type: MCQ-numerical-Hard-Class 12

A moving coil galvanometer has a resistance of 900 Ω. In order to send only 10% of the main current through this galvanometer, the resistance of the required shunt is

A

0.9 Ω

B

100 Ω

C

405 Ω

D

90 Ω

Correct Answer

Option B

Detailed Explanation

The shunt resistance is calculated using the formula for parallel resistances to ensure only 10% of the current passes through the galvanometer.

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