Electrical Circuits

Which of these is a non-

electrical appliance?

• Hairbrush

• Toaster

• Hoover

What can cause a static

charge?

• when a metallic and plastic

  material are next to each other

• when some materials rub against

  each other

• when two materials repel each

  other

What causes the build up in

charge when lightning occurs?

• Clouds becoming hotter and

  hotter

• Particles in clouds rubbing against

  each other

• The sun shining through rain

  droplets

What component does this symbol

represent?

• Voltmeter

• Ammeter

What does an ammeter

measure?

• How quickly electricity is owing

  around the circuit

• How much energy a component is

  receiving

A circuit starts with one lamp

and one cell.

What happens when

you add more cells to the circuit?

• The lamp will get dimmer.

• The lamp will get brighter.

Which component does this

symbol represent?

• Buzzer

• Switch (open)

• Cell

Which component does this

symbol represent?

• Bulb

• Switch (closed)

• Cell

Which component does this

symbol represent?

• Battery

• Switch (open)

• Cell

Which component does this

symbol represent?

• Cell

• Bulb

• Buzzer