MHT CET Physics question

The pointer of a dead beat galvanometer gives a steady deflection because

(A)Eddy currents are produced in the conducting frame over which the coil is woundCorrect
(B)Its magnet is very strong
(C)Its pointer is very light
(D)Its frame is made of ebonite

Answer: (A)

Solution

In a dead beat galvanometer the coil is wound on a metallic (aluminium) frame, in which eddy currents oppose the motion and bring the pointer quickly

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Question ID VK-078344