- #1

- 1,386

- 61

## 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