Practical Elec WS 1 - Quiz

Practical Elec WS 1 - Quiz

10th Grade

36 Qs

quiz-placeholder

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Practical Elec WS 1 - Quiz

Practical Elec WS 1 - Quiz

Assessment

Quiz

Physics

10th Grade

Medium

Created by

Michelle Goh

Used 1+ times

FREE Resource

36 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The diagram shows an unsafe use of an extension cable. What is the electrical hazard?

The danger of breaking the appliances

The danger of electric fire through overheating

The danger of melting the fuses

The danger of getting electric shock

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Electrical equipment should not be used in damp conditions. What is the main hazard?

The equipment becomes too hot.

The insulation becomes damaged.

The fuses keep blowing.

The risk of an electric shock

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Five electrical appliances are connected to the same socket and there is a very large current. Why is this dangerous?

The fuses blow in the appliances.

There is a greater risk of an electrical shock.

There is overheating in each appliance.

There is overheating in the socket.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why should the metal casing of an electrical kettle be earthed?

To complete an electrical circuit

To prevent the wire from overheating

To reduce the risk of electric shocks

To prevent the casing from getting too hot to touch

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why should the metal casing of an electric heater be earthed?

to complete an electrical circuit.

to prevent the cable from overheating.

to reduce the current.

to prevent the user from getting electric shock.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the colour code of the Live, Neutral and Earth wire?

Brown, Blue, Yellow-green

Green, Yellow, Red

Blue, Brown, Yellow-green

Yellow-green, Brown, Blue

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What are the currents in the neutral and earth wires corresponding to a current of 4 A in the “live” wire?

4 A, 4 A

4 A, 0 A

2 A, 2 A

0 A, 4 A

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