Electric currents and it's effects quiz

The positive terminal of one cell is connected to the negative terminal of the next cell. such a combination is called _______

_______________ is a safety device which works on heating effect of electric current.

• Battery

• Fuse

• Bulb

'+' is the ________ sign whereas '-' is the _________ sign.

• negative, positive

• positive, negative

When positive and negative wires at home directly comes in contact, a large current flows through the wire. The is called short circuit..

• True

• False

what is this symbol of?

• Electric cell

• Electric bulb

• switch 'on' position

• wire

the symbol of switch 'off' position

• 
• 

In the bulb there is a thin wire, called the ________ which glows when an electric current passes through it.

When the bulb gets fused, its filament is broken.

• True

• False

Give one example for heating effect of the electric current.

• The wire gets hot when an electric current passes through it

• The bulb gets cold when an electric current passes through it

This coil of wire is called an ________