Electric current and it's effect

Which one of the following is based on the heating effect of current?

• Electric heater

• Iron

• Both A & B

• None of these

The combination of two or more cells is known as:-

• Battery

• MCB

• Cell

• None of these

The coil of wire contained in an electric heater is known as

• Component

• Element

• Circuit

• Spring

The amount of heat produced in a wire depends on:-

• Material

• Length

• Thickness

• All of these

When the switch is in the ‘ON’ position, the electric circuit is said to be:-

• a) Closed

• b) open

• c) complete

• Both a) and c)

In a bulb there is a thin wire called:-

• Element

• Filament

• Fuse wire

• Coil

A glowing bulb becomes warm due to the:-

• Heating effect of electric current

• Magnetic effect of electric current

• Chemical effect of electric current

• Physical effect of electric current

When electric current passes through a wire, it behave like a______.

Circuit breaker device which can be used in place of fuse in domestic electric wiring is called:-

• MCB

• CCB

• MCD

• None of these

When the bulb gets fused, its …………….. breaks.