The weakest link in a circuit is formed by a

'Semiconductors' are used in

When there is high current, the circuit breaker is switched off because of

One of the causes of overloading is

Sometimes, bulb does not light up even if the circuit is complete because the

Never use an electric appliance while standing in

A 50v current can

When the current flows opposite way, the cone is pulled

The repulsion between magnetic field of coil and permanent magnet makes the coil

The complete equipment of 'electrolysis' is known as

Insulators do not allow electricity to pass through because their

Resistance also depends upon

All electric objects we see around us like electric bell, electric motor, telephone and loudspeaker use electricity to make

The bulb glows because the filament is

One method of making a strong electromagnet is to increase

Small magnets are also used in

The number of charges an atom contains, is

Small 'amperes' are measured by

When the current flows one way, the magnet forces push the electromagnet and cone

The larger the current, the greater the number of

The consumption of amount of electrical energy depends on

Normally electric appliances have power rating

When the current is passed through the solution of copper sulphate, the copper sulphate turns into

Keep 'TV' and other electric appliances away from

Huge magnets are used to carry

Compared to devices having wires, torch bulb does not conduct

In our homes, electric supply uses

Compared to long thin wire of nichrome, the short thick wire has

The current in parallel circuit depends on

To which level, the current slows down depends on