Grade 9 Electricity

Which of these is NOT one of the laws of charges?

• Like charges repel

• Opposite charges attract

• Charged objects attract neutral objects

• Unlike charges repel

Which of the following is an insulator?

• aluminum

• iron

• glass

• copper

Which of the following statements best describes an electrical conductor?

• does not allow electricity to pass through it

• slows the flow of electricity through it

• allows the flow of electricity through it

What is the symbol for a resistor in a circuit?

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Which of the following is an example of a conductor in a circuit?

• light bulb

• battery

• switch

• wires

Which of the following is an example of a load in a circuit?

• light bulb

• battery

• switch

• wires

What is the symbol for a switch in a circuit?

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What is the correct symbol for a light bulb?

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A series circuit:

• has one path for electricity

• has several paths for electricity

A parallel circuit:

• has one path for electricity

• has several paths for electricity