A coil has an inductance of 0.1 H and resistance `12Omega` It is connected to 220 V, 50 Hz line. Find the impedance, power factor and power.

A coil of 0.01 henry inductance and 1 ohm resistance is connected to 200 volt, 50 Hz ac supply. Find the impedance of the circuit and time lag between max. alternating voltage and current.

A coil of inductance 0.50H and resistanace 100 Omega is connected to a 240V, 50Hz ac supply. What are the maximum current in the coil and the time lag between boltage maximum and current maximum?

A coil has inductance of 0.4 H and resistance of 8 Omega .It is connected to an AC source with peak emf 4V and frequency 30/pi Hz .The average power dissipated in the circuit is

A coil of inductance 1.0 H and resistance 100 Omega is connected to a battery of emf 12 V. Find the energy stored in the magnetic field associated with the coil at an instant 10 ms after the circuit is switched on.

A coil and an inductance - free resistance R=25 Omega are connected in parallel to the ac1 mains. Find the heat power generated in the coil provided a current I=0.90 A is drawn from the mains. The coil and the resistance R carry currents I_(1)=0.50 A and I_(2)=0.60 A respectively.

A coil of 20Omega resistance and 0.1 henry inductance is connected to 220 V volt 50 cycle mains .What is the impedance of the coil ? What currect does it draw Does the current lead or lag and by how much?

A coil of inductance 8.4 mH and resistance 6 (Omega) is connected to a 12 V battery. The current in the coil is 1.0 A at approximately the time

A coil of inductance 8.4 mH and resistance 6 Omega is connected to a 12 V battery. The current in the coil is 1.0 A at approximately the time.