Electric Circuits Objective Questions – Set 5

What is the frequency of domestic power in India?

Capacitors for P.f correction are rated in

What is the relation between time period T and frequency?

What is apparent power in AC operation?

Which property is used to oppose the flow of current ?

While comparing magnetic field and electric circuits, the point of dissimilarity exists while considering

Select the wave that has the least value of form factor.

What is the SI unit of electric current ?

The current through the 2 KΩ resistance ( rest resitances are all 1 ohm each ) in the circuit shown in diagram

What is the dielectric material used in precision small value capacitor and capacitor used in radio frequency circuits?

What is called the frequency in AC operation?

The four bulbs of 40 W each are connected in series with a battery across them, which of the following statement is true?

Sulphation in a lead acid battery occurs due to

An electrolytic capacitor can be used for

There are two capacitors C₁ and C₂ in parallel , what will be their equivalent capacitance?

For making a capacitor it is better to select a dielectric having

What is time period T?

What is called the instantaneous value of an alternating current?

What is referred as the average value in AC opearation?

What is the value of charge of an electron ?

A wire 2.5 m long is bent into a square. An current of 100 A flowing through the wire will produce a magnetizing force at the center of the square, equal to

The absolute charge of an electron is

The mass of the atom is determined by

Magnetism of a magnet can be destroyed by

What is the real power in AC operation?

What is called a cycle in case of AC operation ?

In a series resonant circuit impedance is

What is form factor?

Among the options which metal has the highest electrical conductivity?

There is a ________ between two nodes of signal flow graph