Electronics and Communication Engineering - Networks Analysis and Synthesis - Discussion
Discussion Forum : Networks Analysis and Synthesis - Section 3 (Q.No. 32)
32.
A coil is wound having a diameter d. Its inductance is 10 mH. If it is rewound on the same core with a wire having diameter 0.5 d and total weight of the wire is the same as before, the inductance will be
Answer: Option
Explanation:
Since diameter is halved, area of cross-section is one-fourth. The number of turns becomes four times. Inductance = μ N2.
Discussion:
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