U8_L2 Understanding Electricity

Question 1 of 5

1. Question

20 point(s)

What is a conductor?

A material that readily allows electricity to pass through it.

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A material that resists the flow of electricity.

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Question 2 of 5

2. Question

20 point(s)

Select all that apply: Which of the following are insulators?

Rubber

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Glass

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Copper

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Water

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Question 3 of 5

3. Question

20 point(s)

What is the main characteristic of direct current (DC)?

It flows in one direction.

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It alternates direction.

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Question 4 of 5

4. Question

20 point(s)

What does a rectifier do?

Converts AC to DC.

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Converts DC to AC.

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Question 5 of 5

5. Question

20 point(s)

Which of the following units are used to measure electrical properties?

Volt (V)

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Ampere (A)

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Ohm (O)

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Newton (N)

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