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IS_Unit8_Checkpoint 8.14_E

Authored by AristoScience AristoScience

Science

7th Grade

Used 10+ times

IS_Unit8_Checkpoint 8.14_E
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1(a) Overloading can cause a dangerously large current in a circuit.

True

False

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1(b) When a short circuit occurs, the resistance of the circuit is very high.

True

False

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1(c) The current flowing through an appliance under normal operation is higher than the rating of the fuse.

True

False

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1(d) An earth wire can prevent overheating of a circuit due to large current.

True

False

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

2(a) Study the picture below. What safety precaution should be taken about A?

Do not use damaged plugs and universal adaptors.

Never pull on a cable toremove a plug from a mains socket.

Ask a registered electrician to replace damaged appliances.

Do not use electrical appliances in wet places.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

2(b) Study the picture below. What safety precaution should be taken about B?

Do not use damaged plugs and universal adaptors.

Never pull on a cable toremove a plug from a mains socket.

Ask a registered electrician to replace damaged appliances.

Do not use electrical appliances in wet places.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

2(c) Study the picture below. What safety precaution should be taken about C?

Do not use damaged plugs and universal adaptors.

Never pull on a cable toremove a plug from a mains socket.

Ask a registered electrician to replace damaged appliances.

Do not use electrical appliances in wet places.

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