Mutual Inductance

  • Thread starter songoku
  • Start date
  • #1
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Homework Statement


A mutual inductor consists of two coils X and Y arranged so that one quarter of the magnetic flux produced by X links with Y. When X is used as the primary coil and Y as the secondary, the mutual inductance is M. What is the mutual inductance when Y is used as primary coil and X as the secondary?

a. M/4
b. M/2
c. M
d. 2M
e. 4M

Homework Equations


[tex]E=-M\frac{\Delta I}{\Delta t}[/tex]


The Attempt at a Solution


I think the answer is (c) because M is independent whether X or Y is the primary one. Am I right?

Thanks
 

Answers and Replies

  • #2
rl.bhat
Homework Helper
4,433
7
Yes. M12 = M21
 

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