Welcome to your DC Circuits MCQ practice assessment.

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

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

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

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

A DC circuit has ___________ as a load

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

With rise in temperature the resistance of pure metals

Which of the following statement is true both for a series and a parallel D.C. circuit?

Specific resistance of a material is

Two resistors are said to be connected in series when

If a number of resistors are connected in parallel, then the reciprocal of total resistance is equal to

One coulomb of charge is equal to the charge of

An instrument which detects electric current is known as

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

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

The resistance of wire varies inversely as

Electrical appliances are not connected in series because

With rise in temperature the resistance of semi-conductors

The curve representing ohm's law is