Electronics and Communication Engineering - Materials and Components - Discussion
Discussion Forum : Materials and Components - Section 6 (Q.No. 36)
36.
The number of turns in a coil is doubled. If initial time constant is T, the new time constant is
T
2T
4T
Answer: Option
Explanation:
When N is doubled, resistance becomes twice and inductance becomes four times.
Since time constant is 
, time contant become twice.
Discussion:
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