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Electrical Science -Energy

Electrical Science -Energy

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Construction

Vocational training

Practice Problem

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Created by

Donna Hollett

Used 1+ times

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5 Slides • 9 Questions

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2

Multiple Choice

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The ability of some materials to attract certain metals is called
1
Electricity
2
Magnetism
3
Electromagnetism
4
Atoms

3

Multiple Choice

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What is the primary form of energy stored in a stretched rubber band?

1

Chemical Energy

2

Thermal Energy

3

Mechanical Energy

4

Potential Energy

4

Multiple Choice

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The picture is an example of an:
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Electric circuit
2
Electromagnet
3
Electric nail
4
Electric power cell

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6

Multiple Choice

What is the relationship between the polar plot and the sine wave shown in the image?

1

The polar plot represents the amplitude of the sine wave.

2

The polar plot shows the frequency of the sine wave.

3

The polar plot and sine wave are unrelated.

4

The polar plot represents the phase of the sine wave.

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Fill in the Blanks

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10

Multiple Choice

What is the average value of a sine wave in relation to its peak value?

1

Average value = 0.5 × peak

2

Average value = 0.636 × peak

3

Average value = peak

4

Average value = 1.5 × peak

11

Multiple Choice

What is the relationship between the RMS value and the peak value in a sine wave?

1

RMS value = 0.5 × peak

2

RMS value = 0.707 × peak

3

RMS value = peak

4

RMS value = 1.5 × peak

12

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13

Open Ended

Any questions?

14

Poll

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