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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
The co-efficient of mutual induction between primary and secondary coil is 2H. Calculate induced e.m.f. if current of 4A is cut off in 2.5 x 10-4 seconds
In an experiment, two coils c1 and c2 are placed close to each other. Find out the expression for the emf induced in the coil c1 due to a change in the current through the coil c2.
A coil of self-inductance 2.5H and resistance 20Ω is connected to a battery of emf 120V having the internal resistance of 5 n. Find:
1) The time constant of the circuit.
2) The current in the circuit in steady state
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) ____________.
An emf of 91 mV is induced in the windings of a coil when the current in o nearby coil is increasing at the rate of 1.3 A/s. what is the mutual inductance (M) of the two coils in mH?
What is the coefficient of coupling (K ) between two coils?
What maximum value of \[M\] follows from \[M=K\sqrt{L_1L_2}\] and \[0\leq K\leq 1\] ?
What is the SI unit of mutual inductance?
How does increasing the number of turns \[N_1\] and \[N_2\] affect mutual inductance?
What is the magnetic flux through the inner small coil when current \[I_2\] flows in the outer large coil?
