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प्रश्न
Define mutual inductance.
Define the term 'mutual inductance' between the two coils.
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उत्तर
Mutual inductance is the property of two coils by the virtue of which each opposes any change in the value of current flowing through the other by developing an induced emf.
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संबंधित प्रश्न
If the radius of a sphere is doubled without changing the charge on it, then electric flux originating from the sphere is ______.
Two coils P and Q have mutual inductance 'M' H. If the current in the primary is I = I0 sin `omega`t, then the maximum vlaue of e.m.f. indued in coil Q is ____________.
The mutual inductance between two coils is 0.09 henry. If the current in the primary coil changes from 0 to 20 A in 0.006 s, the e.m.f. induced in the secondary coil at that instant is ____________.
The mutual inductance M12 of coil 1 with respect to coil 2 ______.
- increases when they are brought nearer.
- depends on the current passing through the coils.
- increases when one of them is rotated about an axis.
- is the same as M21 of coil 2 with respect to coil 1.
The mutual inductance between a primary and secondary circuit is 0.4 H and the resistance in these circuits are \[20\Omega\] and \[4\Omega\] respectively. To produce a current of 0.5 A in the secondary, current in the primary must be changed at the rate of ______.
Which relation defines mutual inductance using the flux linkage \[N_2\phi_{21}\] and current \[I_1\] ?
Which pair gives other units of mutual inductance?
The Henry, the SI unit of mutual inductance, is named after whom?
Why can \[B_2\] be assumed uniform across the entire area of the inner coil?
