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Home Questions RVJDTNSVEE
Target Exam

CUET

Subject

Physics

Chapter

Electromagnetic Induction

Question:
The coupling coefficient of a perfectly coupled coil is;
Options:
Zero
Unity
2
Infinity
Correct Answer:
Unity
Explanation:
The fraction of magnetic flux produced by the current in one coil that links with the other coil is called the coefficient of coupling between the two coils. If the value of k is 1 then the two coils are perfectly coupled.

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