Magnets quiz

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Magnets quiz

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The cans which fall off the conveyor belt shown on the diagram are likely to be made of:

(a)Steel (b) Iron (c) Aluminium

(d) Steel and aluminium

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The lines shown on this diagram are called:

(a) Magnet lines

(b) Magnetic field lines

(c) Magnetic failed lines

(d) Magnetic pattern lines

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The strength of the magnetic force on the compasses shown is strongest at:

(a) A

(b) B

(c) C

(d) D

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A

B

C

D

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The reason why the finger is used to tap the card in this experiment is:

(a) to make the magnet stronger.

(b) to move the card

(c) to make the iron filings become permanent magnets

(d) to move the iron filings so they are aligned to the magnetic field.

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In these diagrams of magnets A and B we can say that:

(a) A is a stronger magnet than B

(b) B is a stronger magnet than A

(c) Both magnets are equally strong

(d) Cannot be sure which magnet is strongest.

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A

B

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If the yellow magnet is brought up to the permanent magnet shown in the diagram:

(a) the magnets will repel

(b) the magnets will attract

(c) the magnets will not affect each other

(d) the magnets will spin around

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N S

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The field strength at the point marked X between the two permanent magnets will be:

(a) very weak

(b) very strong

(c) always changing

(d) pointing upwards

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S NN S X

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• Which statement is false?

• (a) Cobalt is a magnetic material.

• (b) Steel is used to make permanent magnets.

• (c) Iron can be made into a permanent magnet.

• (d) Nickel is a magnetic material.

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Which statement is false?

(a)The Earth’s geographic North pole never changes position.

(b) The Earth’s magnetic North pole never changes position.

(c)The Earth’s magnetic North pole changes position slowly over time.

(d)The Earth’s geographic North and South poles are on exactly opposite sides of the Earth.

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The south seeking pole a compass placed at point X in the diagram will swing to point:

(a) upwards

(b) to the left

(c) to the right

(d) downwards

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x