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प्रश्न
Explain the meaning of the term mutual inductance.
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उत्तर
The phenomenon according to which an opposing emf is produced in a coil as a result of the change in current, hence, the magnetic flux linked with a neighboring coil is called mutual induction.
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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 ______.
Define mutual inductance.
A solenoid of length 20 cm, area of cross-section 4.0 cm2 and having 4000 turns is placed inside another solenoid of 2000 turns having a cross-sectional area 8.0 cm2 and length 10 cm. Find the mutual inductance between the solenoids.
An emf of 96.0 mV is induced in the windings of a coil when the current in a nearby coil is increasing at the rate of 1.20 A/s. What is the mutual inductance (M) of the two coils?
Two coils P and Q are kept near each other. When no current flows through coil P and current increases in coil Q at the rate 10 A/s, the e.m.f. in coil P is 20 mV. When coil Q carries no current and current of 1.6 A flows through coil P, the magnetic flux linked with the coil Q is ____________.
A current I = 10 sin (50 π t) ampere is passed in the first coil which induces a maximum e.m.f. of 5 π volt in the second coil. The mutual inductance between the coils is ______.
The mutual inductance between two coplanar concentric rings A and B of radii 'R1' and 'R2' placed in air when a current 'I' flows through ring A is (R1 >> R2) (µ0 = permeability of free space) ____________.
Two coils are placed close to each other. The mutual inductance of the pair of coils depends upon the ______.
Write the S.I. unit of mutual inductance.
