Welcome to your DC Circuits MCQ practice assessment.

The resistance of wire varies inversely as

An instrument which detects electric current is known as

One coulomb of charge is equal to the charge of

The substances which have a large number of free electrons and offer a low resistance are called

With rise in temperature the resistance of pure metals

With rise in temperature the resistance of semi-conductors

Electrical appliances are not connected in series because

If a current of 5A flows through a resistor of 12 ohm then the power developed and the energy dissipated in 2 minutes are

The resistance of a parallel circuit consisting of two branches is 12 ohms. If the resistance of one branch is 18 ohms, what is the resistance of the other ?

The purpose of load in an electric circuit is to

The curve representing ohm's law is

Insulating materials have the function of

According to Kirchoff’s voltage law,

A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is______ ohms.

In a circuit a 33 ohms resistor carries a current of 2 A. The voltage across the resistor is

Two resistors are said to be connected in series when

Specific resistance of a material is

Which of the following material has nearly zero temperature coefficient of resistance

In any network of wires carrying currents, the algebraic sum of all currents meeting at a point is equal to

You have to replace 1500 ohms resistor in radio. You have no 1500 ohms resistor but have several 1000 ohms ones which you would connect