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Question
55
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The charging time constant of a circuit consisting of an inductor is the time taken for the voltage in the inductor to become __________ % of the initial voltage.
1. 33 2. 63 3. 37 4. 36
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Question
60
:
Calculate the initial current in an inductor having inductance 4000 H, number of turns is 200 and the flux changes from 760 to 800 Wb. Current changes to 7A.
1. 10A 2. 2A 3. 3A 4. 5A
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