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Question (21)

QN003811

If one pole attracts 28 filings and the other attracts 32 filings, what percentage of the 75 total filings are at the poles?

(A) 60%
(B) 70%
(C) 80%
(D) 90%

Correct Answer: C

Explanation:

Filings at poles = 28 + 32 = 60. Percentage = (60/75) × 100 = 80%.

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Question (22)

QN003812

What happens to the poles when a magnet is divided into smaller pieces?

(A) Poles disappear
(B) Only North poles remain
(C) Only South poles remain
(D) New pairs of poles are formed

Correct Answer: D

Explanation:

Every smaller piece acts as a complete magnet.

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Question (23)

QN003813

Which part of a ring magnet contains the poles?

(A) Only the centre hole
(B) Only the outer edge
(C) Corresponding end regions
(D) Entire surface equally

Correct Answer: C

Explanation:

Poles occur at corresponding end regions of the magnet.

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Question (24)

QN003814

A magnet is broken into 12 pieces. How many South poles will exist?

(A) 1
(B) 6
(C) 12
(D) 24

Correct Answer: C

Explanation:

Each piece contains one South pole.

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Question (25)

QN003815

The poles of a magnet always exist in:

(A) Groups of three
(B) Pairs
(C) Groups of four
(D) Single units

Correct Answer: B

Explanation:

North and South poles always occur together.

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Question (26)

QN003816

Which question from the chapter's Thread to Curiosity is related to poles?

(A) Can we find a magnet with a single pole?
(B) Can magnets dissolve in water?
(C) Can magnets produce light?
(D) Can magnets change colour?

Correct Answer: A

Explanation:

The chapter discusses whether a single pole can exist.

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Question (27)

QN003817

A student records 36 filings near poles and 9 near the middle. What ratio represents pole attraction to middle attraction?

(A) 1 : 4
(B) 4 : 1
(C) 3 : 1
(D) 2 : 1

Correct Answer: B

Explanation:

Ratio = 36 : 9 = 4 : 1.

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Question (28)

QN003818

Why are poles considered the most active parts of a magnet?

(A) They are heavier
(B) They have maximum attracting power
(C) They are larger in size
(D) They change colour

Correct Answer: B

Explanation:

Attraction is strongest at the poles.

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Question (29)

QN003819

A magnet attracts 40 filings. If 85% stick near the poles, how many filings stick near the poles?

(A) 30
(B) 32
(C) 34
(D) 36

Correct Answer: C

Explanation:

85% of 40 = 34.

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Question (30)

QN003820

Which statement is TRUE?

(A) A magnet may have one pole.
(B) A magnet must have exactly two poles.
(C) Poles exist only in large magnets.
(D) Poles disappear after breaking.

Correct Answer: B

Explanation:

Every magnet has a North pole and a South pole.

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Question (21)

If one pole attracts 28 filings and the other attracts 32 filings, what percentage of the 75 total filings are at the poles?

Explanation:

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Question (22)

What happens to the poles when a magnet is divided into smaller pieces?

Explanation:

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Question (23)

Which part of a ring magnet contains the poles?

Explanation:

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Question (24)

A magnet is broken into 12 pieces. How many South poles will exist?

Explanation:

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Question (25)

The poles of a magnet always exist in:

Explanation:

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Question (26)

Which question from the chapter's Thread to Curiosity is related to poles?

Explanation:

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Question (27)

A student records 36 filings near poles and 9 near the middle. What ratio represents pole attraction to middle attraction?

Explanation:

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Question (28)

Why are poles considered the most active parts of a magnet?

Explanation:

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Question (29)

A magnet attracts 40 filings. If 85% stick near the poles, how many filings stick near the poles?

Explanation:

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Question (30)

Which statement is TRUE?

Explanation:

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