Exercise
Identifying Electrical Insulators
Learn about materials that block or slow down the flow of electricity. Practice identifying different electrical insulators.
Questions
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MultiChoice
What is an electrical insulator?
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MultiChoice
Which object is a good electrical insulator?
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MultiChoice
Why are electric wires wrapped in plastic?
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MultiChoice
Which material prevents electric current from passing through?
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WordsBox
Materials like ____ and ____ are good insulators.
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MultiChoice
Which item will NOT conduct electricity across a gap in a circuit?
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MultiChoice
Electricians wear rubber gloves because rubber:
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WordsBox
An insulator ____ the flow of ____
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MultiChoice
What happens if you place a plastic ruler in an open circuit gap?
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MultiChoice
Which material is commonly used to insulate handles of tools?
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MultiChoice
Why is dry wood used as an insulator?
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WordsBox
A plastic ____ acts as an ____ around copper wires.