SSC JE EE Score Booster Quiz 11 (Electric Circuits)

Determine the self-inductance (n mH) of a 3 m long air-cored solenoid, when the coil has 300 turns and the diameter of the coil 12 cm.

What will be the total inductance of the circuit shown in the figure?

What is the coupling factor between the two coils, each having self inductance of 25 mH and the mutual inductance between the two is 25 mH?

Determine the energy (in J) stored by a 0.4 H inductance, if the current flowing through it is 2 A.

The coefficient of coupling between inductor is k = 0.9. Find the resonance freq. of the circuit?