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Magnetsm I - SS3 Physics Past Questions and Answers - page 1

1

Which of the following is not a magnetic material?

A

Iron

B

Copper

C

Nickel

D

Cobalt

correct option: b
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2

What is the term for the magnetic field created by an electric current?

A

Static magnetic field

B

Permanent magnetic field

C

Induced magnetic field

D

None of the above

correct option: c
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3

Which of the following is a unit of magnetic field strength?

A

Coulomb

 

B

Ampere

C

Tesla

D

Volt

correct option: c
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4

What is the relationship between magnetic field strength and distance from a magnet?

A

Magnetic field strength increases as distance increases

B

Magnetic field strength decreases as distance increases

C

Magnetic field strength is not affected by distance

D

None of the above

correct option: c
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5

Which of the following is a property of magnetic field lines?

A

They always flow from north to south

B

They are always straight lines

C

They can never cross each other

D

None of the above

correct option: c
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6

What is magnetism?

Magnetism is a fundamental property of matter that results from the movement of electric charges. It is a force that can attract or repel certain materials, such as iron, nickel, and cobalt.

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7

What role has magnetism played in science and technology?

The study of magnetism has many practical applications. Magnetic materials are used in a variety of devices, from electric motors and generators to computer hard drives and credit card strips. Magnetic fields are also used in medical imaging technologies, such as magnetic resonance imaging (MRI).

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8

A charged particle moving in a magnetic field will experience a force that is:

A

parallel to the magnetic field

B

perpendicular to the magnetic field

C

in the same direction as the magnetic field

D

opposite to the magnetic field

correct option: b
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9

The strength of a magnetic field is measured in:

 

A

Watts

B

Ohms

C

Coulombs

D

Teslas

correct option: d
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10

Which of the following is true about the direction of magnetic field lines?

A

They always point from north to south

B

They always point from south to north

C

They always form circles around a magnet

D

They always form straight lines between the north and south poles

correct option: d
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