An alternating voltage E (in volts) = 200√2 sin 100 t is connected to one micro farad capacitor throughan a.c.ammeter.The reading of the ammeter shall be

In the circuit shown in fig,the resonant frequency is

A step down transformer is connected to 2400 volts line and 80 amperes of current is found to flow in output load. The ratio of the turns in primary and secondary coil is 20 : 1. If transformer efficiency is 100%, then the current flowing in the primary coil will be

The primary winding of a transformer has 100 turns and its secondary winding has 200 turns. The primary is connected to an A.C. supply of 120 V and the current flowing in it is 10A. The voltage and the current in the secondary are

In an a.c. circuit V and I are given by

V = 100 sin (100 t) volts

I= 100 sin (100 t + π/3) mA

the power dissipated in the circuit is

An inductive circuit contains resistance of 10 ohms and an inductance of 2 henry.If an A.C. voltage of 120 Volts and frequency 60 Hz is applied to this circuit, the current would be nearly

An inductance of negligible resistance whose reactance is 22 Ω at 200 Hz is connected to 200 volts, 50 Hz power line. The value of inductance is

Using an A.C. voltmeter the potential difference in the electrical line in a house is read to be 234 volt. If the line frequency is known to be 50 cycles/second, the equation for the line voltage is

If resistance of 100W, and inductance of 0.5 henry and capacitance of 10 × 10⁶ farad are connected in series through 50 Hz A.C. supply, then impedance is

In an A.C. circuit, the current flowing in inductance is I = 5 sin (100 t– p/2) amperes and the potential difference is V = 200 sin (100 t) volts. The power consumption is equal to