ELECTRICITY CLASS-7 Quiz

Conductors are materials that allow ________ to pass through them easily.

• sound

• electricity

• water

• heat

Insulators are materials that do not allow ________ to pass through them easily.

• electricity

• light

• heat

• water

Name a common conductor of electricity.

• Plastic

• Wood

• Glass

• Metals

Name a common insulator of electricity.

• Water

• Metal

• Glass

• Rubber

What is the unit of electric current?

• C

• D

• A

• B

What is the flow of electric charge called?

• electric current

• voltage flow

• electricity flow

• charge movement

What is the SI unit of electric charge?

• Volt

• Ampere

• Ohm

• Coulomb

What is the instrument used to measure electric current?

• voltmeter

• barometer

• ammeter

• thermometer

What is the direction of conventional current flow?

• It changes direction constantly

• From negative to positive

• From positive to negative

• It flows in a circular motion

What is the direction of electron flow in a circuit?

• It changes direction constantly

• From positive to negative

• It flows in a circular motion

• From negative to positive