Electricity

Magnets have opposite poles, sometimes called north and south. When you put the north poles of two magnets together, the magnets will ________.

• Repel

• Explode

• Attract

• Spin

The electrical system consists of

• Generation, transmition and distribution

• Generation and distribution

• Generation and transmition

• None of the above

To generate electricity we need

• A coil of wire.

• Only magnet.

• A coil of wire and a magnet.

• Rubber.

What is the name of the device that generate electricity

• Generator

• Motor

• Coil

• Magnet

Tags

NGSS.MS-ETS1-1

Electricity is the flow of _________.

• Protons

• Electrons

• Neutrons

Materials which allow electric current to pass through them are ___________

• conductors

• Insulators

• None of the above

Materials which do not allow electric current to pass through them are_________

• Conductors

• Insulators

Will the lamp switch ON if we use the Plastic ruler?

• Yes

• No

Which of the following are conductors(transfer electricity to the lamp)?

• Copper

• Glass

• Wood

• Aluminium

• Plastic

Examples of Insulators

• Cotton

• Rubber

• Iron

• plastic