Electricity

What is a switch?

What is electric current? How is it expressed?

What is electric circuit?

Before electrons were discovered what was electric current considered to be as?

What is the SI unit of electric current?

• ohm

• faraday

• volt

• Coulomb

Physical quantity represented by coulomb per second?

• ohm

• Ampere

• volt

• coulomb

What is an electric circuit and distinguish between an open and closed electric circuit?

Conventionally what is the direction of electric current taken as?

The electric current is expressed by a unit? Who is it named after?

Small quantities of current are expressed in ___________________

• Centimetre

• Metre

• Ampere

• MilliAmpere