Physics | Current Electricity

Practice Physics | Current Electricity on Bissoy — browse topics below and open any question.

Questions

Which of the following is not an electronic device?

ক

A mobile

খ

A computer

গ

A magnifying glass

ঘ

A keyboard

Which one of the following is an insulator?

ক

copper

খ

wood

গ

mercury

ঘ

aluminium

What is the SI unit of electric current?

ক

Newton

খ

Joule

গ

Ampere

ঘ

Watt

Current flows in a circuit when

ক

A switch is opened

খ

A switch is closed

গ

The switch is either open or closed

ঘ

There is no voltage

The unit of electric power is

ক

Ampere

খ

Volt

গ

Coulomb

ঘ

Watt

A fuse is a

ক

safety device and regulates flow of current

খ

made up of tin and lead alloy

গ

has low melting point

ঘ

All of the above

Electricity is produced through dry cell from

ক

chemical energy

খ

thermal energy

গ

mechanical energy

ঘ

nuclear energy