Welcome to your DC Circuits MCQ practice assessment.

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

The curve representing ohm's law is

According to Kirchoff’s voltage law,

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 ?

Insulating materials have the function of

Which of the following materials has a negative temperature coefficient of resistance?

Electrical appliances are not connected in series because

One coulomb of charge is equal to the charge of

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 purpose of load in an electric circuit is to

Specific resistance of a material is

Four wires of same material, the same cross-sectional area and the same length when connected in parallel give a resistance of 0.25 Q. If the same four wires are connected is series the effective resistance will be ___ ohms.

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

A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is

With rise in temperature the resistance of semi-conductors

The property of a conductor due to which it passes current is called

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

The S.I. unit of power is

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

The resistance of wire varies inversely as