Damping of the Ballistic galvanometer is made small to?

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Answer :

Damping of the Ballistic galvanometer is made small to get first deflection large.

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Ideally, the damping torque should be

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Eddy current damping cannot be used for moving iron instrument because

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Describe with neat diagram air friction damping.

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The ballistic galvanometer is usually lightly damped so that:

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For the indicating instrument the preferred damping condition is

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