Y9 Electricity

What is the unit of charge?

• Coulombs

• Amps (Amphere)

• Ohms

• Volts

What is the unit of current?

• Coulombs

• Amps (Amphere)

• Ohms

• Volts

What is the unit of resistance?

• Coulombs

• Amps (Amphere)

• Ohms

• Volts

What is the unit of potential difference?

• Coulombs

• Amps (Amphere)

• Ohms

• Volts

A material that does not conduct electricity is called...

• insulator
• conductor
• semiconductor
• superconductor

A material that conducts electricity is called...

• conductor
• dielectric
• semiconductor
• insulator

Match the unit to the quantity.

• Time

• Amps

• Potential difference

• Seconds

• Resistance

• Volts

• Current

• Ohms

• Charge

• Coulombs

Match the symbol to the quantity.

• Charge

• A

• Current

• V

• Resistance

• s

• Potential difference

• C

• TIme

• Ω

Organise these options into the right categories.

Groups:

(a) Conductor

,

(b) Insulator

• Iron

• Copper

• Rubber

• Glass

• Brass

• Stone

Give the charge of each sub atomic particle.

• Neutron

• Negative

• Electron

• Positive

• Proton

• Neutral