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The ballistic galvanometer is usually lightly damped so that ________

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The ballistic galvanometer is usually lightly damped so that ________

(a) It can oscillate

(b) It will remain stable

(c) Amplitude of the first swing is very large

(d) Amplitude of the first swing is very small

The question was posed to me in an interview for internship.

Origin of the question is Determination of the B/H Characteristic in division Simple Magnetic Circuits of Basic Electrical Engineering

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The correct choice is (c) Amplitude of the first swing is very large

Explanation: The ballistic galvanometer is usually lightly damped so that the amplitude of its first swing is very large.

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