Home
Class 12
PHYSICS
When a coil is connected to a D.C. sourc...

When a coil is connected to a D.C. source of e.m.f. `12` volt, then a current of `4` ampere flows in it. If the same coil is connected to a `12` volt, `50` cycle/s A.C. source, then the current flowing in it is `2.4A`. The self inductance of the coil will be

Promotional Banner

Similar Questions

Explore conceptually related problems

A current of 4 A flows in a coil when connected to a 12 V dc source. If the same coil is connected to a 12 V, 50 rad s^(-1) ac source, a current of 2.4 A flows of the coil in the circuit. The inductance of the coil is

An inductance of 0.1 henry is connected with D.C. source of 120 volt. If the current flowing in the inductive coil is 0.5 amp, then resistance of the coil is:

When an inductor coil is connected to an ideal battery of emf 10V, a constant current 2.5 S flows. When the same inductro coil is connected to an ac source of 10V and 50 HZ then the current is 2A. Find out the inductance of the coil.

When an inductor coil is connected to an ideal battery of emf 10V, a constant current 2.5 A flows. When the same inductor coil is connected to an ac source of 10V and 50 HZ then the current is 2A. Find out the inductance of the coil.

When a circuit element X is connected across on a.c. source of e.m.f. 220 sqrt2 volt, current of sqrt2 A flows through it in phase with the voltage. When another element Y is connected across the same a.c. source, the same current flows through the circuit, but it leads the voltage by pi//2 radian. Name the circuit element X and Y. Find the current that flows in the circuit when series combination of X and Y is connected across the same source.

When a coil is connected to a 100 V D.C. supply, the current is 2 A. When the same coil is connected to A.C. source E=100sqrt(2) sin omega t , the current is 1 A. Find the inductive reactance used in the circuit.

When a coil is connected to a 100 V D.C. supply, the current is 2 A. When the same coil is connected to A.C. source E=100sqrt(2) sin omega t , the current is 1 A. Find the inductive reactance used in the circuit.

If a current of 3.0 amperes flowing in the primary coil is reduced to zero in 0.001 second, then the induced e.m.f. in the secondary coil is 15000 "volts" . The mutual inductance between the two coils is