Physics, asked by rukmaniajay9p9fuc1, 1 year ago

define mutual induction

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Answered by Namanbrain
3
the production of an electromotive force in a circuit by a change in the current in an adjacent circuit which is linked to the first by the flux lines of a magnetic field.

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Answered by Anonymous
9

The phenomenon according to which an opposing e.m.f. is produced in a coil as a result of growth or decay of current or change in magnetic flux linked with a neighbouring coil is called mutual induction.


If two coils are coupled inductively then the flux linked in an coil depends directly on the instant current in the other coil.


It is found that the magnetic flux (¢) linked with the other coil at an instant is directly proportional to the current passing through the first coil at that instant.i.e,


magnetic flux (¢) is directly proportional to current (I).

¢=MI


where M is called coefficient of mutual inductance.


The value of mutual inductance depend on the linkage of flux which is depending on the separation and orientation of the two coils.


i.e,. M= ¢ / I


The SI unit of mutual inductance is Henry.



The coefficient of mutual inductance is numerically equal to the flux Linked in the coil caused by the unit current flowing in the nearby coil.

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