Quiz : Alternating Current

How many types of modulation exist?

Alternating current generator converts which type of energy into electrical energy?

Power dissipation in a pure inductive or in a pure capacitance circuit is ____.

The highest value reached by voltage or current in one cycle is called ____.

In a pure resistive A.C. circuit, the instantaneous value of voltage or current ____.

The device which allows only the continuous flow of an A.C. through a circuit is ____.

At high frequency, the current through a capacitor of the A.C. circuit will be ____.

The phase angle between the voltage and current through the resistor is:

In the case of capacitor the unit of reactance is:

The most common source of an A.C. voltage is ____.

Lenz’s law is in accordance with the law of conservation of ____.

The basic circuit element in the A.C. circuit which controls current is ____.

At resonance frequency, the impedance of the RLC series circuit is ____.

The capacitive reactance to pure D.C. is ____.

Choke consumes extremely small ____.

The frequency of A.C. source used in Pakistan is ____.

In a pure inductive A.C. circuit, the current ____.

At what frequency will an inductor of 1.0 H have a reactance of 500Ω?

Electromagnetic waves do not transport______________.

The impedance of the series circuit at resonance is:

In a c Circuit at resonance, the phase difference between current and voltage is___.

The frequency of A.C. used in Pakistan is_______________.

The process of combining the low-frequency signal with high-frequency carrier waves is called _______.

Which of the following is NOT an advantage of using A.C: