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Question (21)

QN0011413

Which type of bulb is more energy efficient?

(A) is correct because LED bulbs provide the same light while using less electricity.
(B) Incandescent bulb
(C) Candle
(D) Oil lamp

Correct Answer: A

Explanation:

Option (a) is correct because LED bulbs provide the same light while using less electricity.

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Question (22)

QN0011414

A room has 6 LED bulbs. If each bulb saves electricity compared to older bulbs, what is the main benefit?

(A) is correct because LED bulbs are energy efficient.
(B) More smoke
(C) More pollution
(D) No light

Correct Answer: A

Explanation:

Option (a) is correct because LED bulbs are energy efficient.

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Question (23)

QN0011415

If one LED bulb uses less electricity than one traditional bulb, which choice is more energy efficient?

(A) is correct because LED bulbs consume less electricity.
(B) Traditional bulb
(C) Both equal
(D) Neither

Correct Answer: A

Explanation:

Option (a) is correct because LED bulbs consume less electricity.

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Question (24)

QN0011416

A school replaces 20 old bulbs with LED bulbs. What is the likely result?

(A) is correct because LED bulbs save electricity.
(B) Increased fuel use
(C) More pollution
(D) Less light automatically

Correct Answer: A

Explanation:

Option (a) is correct because LED bulbs save electricity.

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Question (25)

QN0011417

Why should children avoid touching exposed electrical wires?

(A) is correct because exposed wires can cause dangerous electric shocks.
(B) They increase sunlight
(C) They create wind
(D) They produce food

Correct Answer: A

Explanation:

Option (a) is correct because exposed wires can cause dangerous electric shocks.

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Question (26)

QN0011418

Which is the safest action if an electrical wire is damaged?

(A) Touch it carefully
(B) is correct because damaged wires should only be handled by responsible adults or professionals.
(C) Pull it with bare hands
(D) Play near it

Correct Answer: B

Explanation:

Option (b) is correct because damaged wires should only be handled by responsible adults or professionals.

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Question (27)

QN0011419

What should a child do after noticing a fallen electric pole?

(A) Climb it
(B) Touch the wires
(C) is correct because fallen poles and wires can be extremely dangerous.
(D) Move the wires aside

Correct Answer: C

Explanation:

Option (c) is correct because fallen poles and wires can be extremely dangerous.

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Question (28)

QN0011420

Why should objects not be inserted into electrical sockets?

(A) is correct because electrical sockets can cause electric shocks.
(B) Sockets become brighter
(C) Electricity disappears
(D) Air enters the socket

Correct Answer: A

Explanation:

Option (a) is correct because electrical sockets can cause electric shocks.

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Question (29)

QN0011421

Which situation shows responsible use of electricity?

(A) is correct because it prevents wastage of electricity.
(B) Leaving fans on all day
(C) Playing with switches unnecessarily
(D) Touching plugs with wet hands

Correct Answer: A

Explanation:

Option (a) is correct because it prevents wastage of electricity.

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Question (30)

QN0011422

If 10 lights are left on unnecessarily for one hour, what happens?

(A) is correct because unnecessary use of lights wastes electricity.
(B) Electricity is created
(C) Coal is produced
(D) Light becomes fuel

Correct Answer: A

Explanation:

Option (a) is correct because unnecessary use of lights wastes electricity.

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Question (21)

Which type of bulb is more energy efficient?

Explanation:

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Question (22)

A room has 6 LED bulbs. If each bulb saves electricity compared to older bulbs, what is the main benefit?

Explanation:

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Question (23)

If one LED bulb uses less electricity than one traditional bulb, which choice is more energy efficient?

Explanation:

Link:

Question (24)

A school replaces 20 old bulbs with LED bulbs. What is the likely result?

Explanation:

Link:

Question (25)

Why should children avoid touching exposed electrical wires?

Explanation:

Link:

Question (26)

Which is the safest action if an electrical wire is damaged?

Explanation:

Link:

Question (27)

What should a child do after noticing a fallen electric pole?

Explanation:

Link:

Question (28)

Why should objects not be inserted into electrical sockets?

Explanation:

Link:

Question (29)

Which situation shows responsible use of electricity?

Explanation:

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Question (30)

If 10 lights are left on unnecessarily for one hour, what happens?

Explanation:

Link:

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