Static Charge & Current Electricity

Which of the following is a common source of static electricity?

• Rubbing a balloon on your hair

• Turning on a light switch

• Boiling water

• Listening to music

What happens when you walk across a carpet and then touch a metal doorknob?

• You get a shock due to static electricity

• The doorknob changes colour

• The carpet becomes wet

• The doorknob makes a noise

What is the main cause of static electricity?

• Friction between two different materials

• Heat from the sun

• Sound waves

• Water evaporation

Which of the following is an example of static electricity in nature?

• Lightning

• Rain

• Wind

• Snow

What happens when two like charges are placed near each other?

• They repel

• They attract

• They neither attract or repel

What is the difference between static and current electricity?

• Static is non-moving charge and current is moving charge

• Current is non-moving charge and static is moving charge

• Static is direct current and current is alternating current

• Static is turned on and off, current is continually on.

Which of the following materials is the best electrical conductor?

• Rubber

• Glass

• Copper

• Wood

Which of the following materials is considered an electrical insulator?

• Aluminum

• Silver

• Plastic

• Iron

The difference between these two pictures is

• the left picture is a circuit drawing and the right picture is a circuit diagram.

• the left circuit is a series circuit and the right is a parallel circuit.

• the left-hand circuit will work but the right-hand will not work.

• the resistance in the light globes is different in the left circuit compared to the right circuit.

Which one of the following statements regarding conventional and electron currents is false.

• Both conventional current and electron current move from positive to negative.

• Electron current is from negative to positive.

• Conventional current is from positive to negative.

• Both conventional current and electron current represent flowing electricity..