The S.I. unit of power 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.

Specific resistance of a material 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

A DC circuit has ___________ as a load

The purpose of load in an electric circuit is to

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

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

The curve representing ohm's law is

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 ?

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

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

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

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

An instrument which detects electric current is known as

Three resistances of 10 ohms, 15 ohms and 30 ohms are connected in parallel. The total resistance of the combination is

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

A resistance having rating 10 ohms, 10 W is likely to be a

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