Electronics and Communication Engineering - Materials and Components - Discussion

Discussion Forum : Materials and Components - Section 5 (Q.No. 29)
29.
A single layer air cored coil has n turns and inductance L. If a new coil is formed by having 2n turns while keeping the coil length and diameter the same, the new inductance is
0.5 L
L
2 L
4 L
Answer: Option
Explanation:

Inductance is proportional to square of number of turns.

Discussion:
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