Discussion :: Measurements and Instrumentation
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If eddy current damping is to be used, the disc of instrument should be
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A.
non-conducting and non-magnetic
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B.
conducting and magnetic
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C.
conducting and non-magnetic
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D.
non-conducting and magnetic
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Answer : Option C
Explanation :
Disc must be conducting otherwise eddy currents can not flow. It must be non-magnet, i.e., so that it does not affect the measurement.
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