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The sum and difference of self-inductanc...

The sum and difference of self-inductances of two coils are `13 mH` and `5 mH` respectively. What is the maximum value of mutual inductance (im milli henry) of the two coil ?

A

6H

B

5H

C

`sqrt65H`

D

18H

Text Solution

Verified by Experts

The correct Answer is:
A
`L_(1) + L_(2)= 13`
`L_(1) - L_(2)= 5`
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