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Question (21)

QN003871

Which situation shows repulsion?

(A) N-S interaction
(B) S-N interaction
(C) N-N interaction
(D) Magnet-iron interaction

Correct Answer: C

Explanation:

Like poles repel each other.

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Question (22)

QN003872

Which situation shows attraction?

(A) S-S
(B) N-N
(C) N-S
(D) S-S-N

Correct Answer: C

Explanation:

Opposite poles attract.

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Question (23)

QN003873

A compass near a magnet deflects because:

(A) Heat is produced
(B) Magnetic force acts on it
(C) Air pressure changes
(D) Light changes direction

Correct Answer: B

Explanation:

Magnetic force causes needle deflection.

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Question (24)

QN003874

When a magnet is rotated and left freely, it always:

(A) Stops randomly
(B) Aligns East-West
(C) Aligns North-South
(D) Spins continuously

Correct Answer: C

Explanation:

It aligns with Earth’s magnetic field.

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Question (25)

QN003875

If two magnets attract each other, the facing poles must be:

(A) Same poles
(B) Opposite poles
(C) Non-magnetic poles
(D) Neutral poles

Correct Answer: B

Explanation:

Attraction occurs between unlike poles.

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Question (26)

QN003876

If two magnets repel each other, they must have:

(A) Opposite poles
(B) Like poles
(C) One magnet missing
(D) No poles

Correct Answer: B

Explanation:

Repulsion occurs between like poles.

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Question (27)

QN003877

The main principle used in a magnetic compass is:

(A) Heat conduction
(B) Magnet alignment with Earth
(C) Light reflection
(D) Electric current

Correct Answer: B

Explanation:

Compass works on Earth’s magnetic field.

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Question (28)

QN003878

A magnet is identified by repulsion because:

(A) Iron always repels magnets
(B) Only magnets can repel magnets
(C) All objects repel magnets
(D) Repulsion depends on weight

Correct Answer: B

Explanation:

Repulsion is a defining property of magnets.

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Question (29)

QN003879

If a compass is placed near a magnet, its needle moves due to:

(A) Gravity
(B) Friction
(C) Magnetic field interaction
(D) Sound waves

Correct Answer: C

Explanation:

Magnetic field exerts force on compass needle.

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Question (30)

QN003880

The North pole of a magnet is also called:

(A) South-seeking pole
(B) North-seeking pole
(C) Neutral pole
(D) Center pole

Correct Answer: B

Explanation:

It is called north-seeking pole.

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Question (21)

Which situation shows repulsion?

Explanation:

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Question (22)

Which situation shows attraction?

Explanation:

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Question (23)

A compass near a magnet deflects because:

Explanation:

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Question (24)

When a magnet is rotated and left freely, it always:

Explanation:

Link:

Question (25)

If two magnets attract each other, the facing poles must be:

Explanation:

Link:

Question (26)

If two magnets repel each other, they must have:

Explanation:

Link:

Question (27)

The main principle used in a magnetic compass is:

Explanation:

Link:

Question (28)

A magnet is identified by repulsion because:

Explanation:

Link:

Question (29)

If a compass is placed near a magnet, its needle moves due to:

Explanation:

Link:

Question (30)

The North pole of a magnet is also called:

Explanation:

Link:

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