The opposition offered by a conductor to the flow of current is called:

Electromotive force (EMF) of a source is the energy supplied per unit:

The internal resistance of a cell causes:

The SI unit of resistance is:

Which instrument is used to measure potential difference?

Electric current is defined as the rate of flow of:

Potential difference is the work done per unit:

An increase in temperature of a metallic conductor generally causes its resistance to:

In Ohm’s Law experiment, the graph between V and I is:

The formula R = ρL/A shows that resistance is directly proportional to:

Resistance of a conductor depends upon:

A material having very high resistivity is called:

One volt is equal to:

An ammeter is connected in a circuit in:

Which instrument is used to measure electric current?

The resistance of an ideal ammeter is:

Which particles are responsible for electric current in metallic conductors?

The resistance of an ideal voltmeter is:

The main advantage of AC over DC is that it can be:

Alternating current (AC) changes its direction: