Electrical revision

Electrical revision

Professional Development

20 Qs

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Electrical revision

Electrical revision

Assessment

Quiz

Professional Development

Professional Development

Hard

Created by

George Harding

Used 46+ times

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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the voltage for a circuit that has a resistance of 12Ω and a current of 4A?

3 V

12 V

36 V

48 V

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What colour is the insulation around the conductor designated as the neutral?

Brown

Green

Blue

Yellow

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What effect does a change in temperature have on the resistance of a conductor?

Resistance increases when temperature increases

Resistance decreases when temperature increases

Resistance is not affected by temperature change

Resistance only changes at absolute zero temperature

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is not a standard conductor cross-sectional area?

1.0mm²

2.5mm²

4.5mm²

6.0mm²

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What for is a the total permitted percentage voltage drop for a power circuit in an electrical installation?

25%

3%

4%

5%

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the total circuit current ( I ) for this circuit?

2 A

6 A

12 A

72 A

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of basic protection in an electrical circuit?

It prevents faults from happening

It prevents contact with live parts

It decreases disconnection times

It increases disconnection times

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