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electronics and communication engineering materials and components
1. The number of turns in a coil is doubled. If initial time constant is T, the new time constant is
(A): 2T
(B): 4T
(C): T
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By: guest on 02 Jun 2017 01.00 am
When N is doubled, resistance becomes twice and inductance becomes four times. Since time constant is , time contant become twice.
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