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MHT CET Physics question

PhysicsMoving Charges and MagnetismMHT CET

The moving coil galvanometer has a current 2A for a particular number of turns and area of coil and magnetic field of (B) = wb/m. If the magnetic field is replaced by wb/m in a galvanometer then the current for same deflection becomes

Answer: (A)

Solution

For the same deflection is constant, so ; B

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Question ID VK-078354