Discussion :: Measurements and Instrumentation
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If the secondary winding of CT is opened when primary coil is carrying current
A.
transformer will burn immediately
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B.
there will be weak flux density in core
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C.
there will be very high induced voltage in secondary
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D.
there will be high current in secondary
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Answer : Option C
Explanation :
Since the primary of CT always remains excited, a high voltage is induced in secondary if the secondary is opened.
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