Class 12 Physics Chapter 5 Magnetism and Matter MCQs

# Class 12 Physics Chapter 5 Magnetism and Matter MCQs

Magnetism and Matter is a crucial chapter in the Class 12 Physics syllabus that deals with the magnetic properties of materials, the Earth’s magnetism, and various other phenomena related to magnetism. Understanding these concepts is vital for students preparing for board exams and competitive exams like JEE and NEET. Here, we provide a comprehensive set of 30 multiple-choice questions (MCQs) with answers to help students reinforce their knowledge and prepare effectively.

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## Magnetism and Matter Class 12 MCQs

The MCQs for Chapter 5 of Class 12 Physics on Magnetism and Matter are available here along with their answers. These questions are crafted according to the latest CBSE syllabus and NCERT Syllabus. Solving these chapter-wise MCQs will aid students in achieving high marks in their final exams. The Magnetism and Matter Class 12 Physics MCQs are designed to enhance students’ understanding of the concepts, allowing them to assess their knowledge and answering skills within the given time frame.

### MCQs on Class 12 Chapter 5 Magnetism and Matter

Q. A horse-shoe magnet is an example of:

a) Natural magnet

b) Artificial magnet

c) Neither natural nor artificial

d) None of these

Answer: b) Artificial magnet

Q. A freely suspended magnet aligns in which direction?

a) South-west

b) East-west

c) North-south

d) North-west

Also Read: Electric Charges and Fields

Q. Which among the following materials display higher magnetic susceptibility?

a) Ferromagnetic material

b) Paramagnetic material

c) Diamagnetic material

d) None of these

Answer: a) Ferromagnetic material

Q. A permanent magnet has the capacity to attract:

a) All substances

b) Some substances

c) Only ferromagnetic substances

d) None of these

Answer: c) Only ferromagnetic substances

Q. The SI unit of magnetic flux is:

a) Dyne

b) Tesla

c) Weber

d) Ohm

Q. Susceptibility is positive for:

a) Ferromagnetic material

b) Paramagnetic material

c) Diamagnetic material

d) Option (a) and (b)

Answer: d) Option (a) and (b)

Also Read: Current Electricity

Q. The magnetic dipole moment of a magnetic dipole is given by the formula:

a) M = m × 2I

b) M = m + 2

c) M = m/I

d) M = m × I

Answer: d) M = m × I

Q. The magnetic field inside a long solenoid is:

a) Zero

b) Uniform and parallel to the axis

c) Non-uniform

d) Perpendicular to the axis

Answer: b) Uniform and parallel to the axis

Q. What is the cause of magnetism in materials?

a) Motion of electrons

b) Static electricity

c) Gravitational force

d) None of these

Answer: a) Motion of electrons

Also Read: Electromagnetic Waves

Q. The magnetic susceptibility of a paramagnetic material is:

a) Positive and less than one

b) Positive and greater than one

c) Negative

d) Zero

Answer: a) Positive and less than one

Q. Hysteresis is a property associated with:

a) Paramagnetic materials

b) Diamagnetic materials

c) Ferromagnetic materials

d) All of these

Answer: c) Ferromagnetic materials

Q. In a bar magnet, magnetic lines of force:

a) Start from the north pole and end at the south pole

b) Start from the south pole and end at the north pole

c) Are circular

d) None of these

Answer: a) Start from the north pole and end at the south pole

Also Read: Wave Optics

Q. The strength of the Earth’s magnetic field is:

a) Uniform everywhere

b) Stronger at the poles

c) Stronger at the equator

d) Zero

Answer: b) Stronger at the poles

Q. The unit of magnetic permeability is:

a) Weber

b) Tesla

c) Henry/meter

d) None of these

Q. The magnetic field due to a current-carrying conductor is:

a) Directly proportional to the distance from the conductor

b) Inversely proportional to the distance from the conductor

c) Directly proportional to the square of the distance from the conductor

d) Inversely proportional to the square of the distance from the conductor

Answer: b) Inversely proportional to the distance from the conductor

Q. The magnetic susceptibility is negative for:

a) Diamagnetic material only

b) Paramagnetic material only

c) Ferromagnetic material only

d) Paramagnetic and ferromagnetic materials

Answer: a) Diamagnetic material only

Q. A material that is strongly attracted by a magnet is known as:

a) Paramagnetic

b) Diamagnetic

c) Ferromagnetic

d) Non-magnetic

Q. Which of the following substances is diamagnetic?

a) Iron

b) Nickel

c) Copper

d) Cobalt

Q. What happens to the magnetic field inside a long current-carrying solenoid if the current is doubled?

a) It becomes zero

b) It gets halved

c) It doubles

d) It remains unchanged

Answer: c) It doubles

Q. The Earth’s magnetic field resembles that of:

a) A bar magnet

b) A solenoid

c) A dipole

d) None of these

Answer: c) A dipole

Q. The angle of dip at the magnetic poles is:

a) 0 degrees

b) 45 degrees

c) 90 degrees

d) 60 degrees

Answer: c) 90 degrees

Also Read: Communication Systems

Q. A substance that is repelled by a magnet is termed:

a) Ferromagnetic

b) Paramagnetic

c) Diamagnetic

d) None of these

Q. The core of a transformer is made of:

a) Copper

b) Aluminum

c) Iron

d) Wood

Q. A material that can retain its magnetism after being magnetized is called:

a) Temporary magnet

b) Permanent magnet

c) Soft magnet

d) None of these

Answer: b) Permanent magnet

Q. Which instrument measures the intensity of a magnetic field?

a) Voltmeter

b) Ammeter

c) Magnetometer

d) Galvanometer

Q. The unit of magnetic induction is:

a) Weber

b) Gauss

c) Tesla

d) Henry

Q. In a toroid, the magnetic field is:

a) Zero inside the core

b) Maximum at the center

c) Uniform inside the core

d) Variable

Answer: c) Uniform inside the core

Q. The susceptibility of a ferromagnetic material above the Curie temperature is:

a) Zero

b) Positive and less than one

c) Negative

d) Infinite

Answer: b) Positive and less than one

Q. The magnetic moment of a current-carrying loop is proportional to:

a) Current and area of the loop

b) Only the current

c) Only the area of the loop

d) Neither current nor area

Answer: a) Current and area of the loop

Q. The angle between the magnetic meridian and the geographic meridian is known as:

a) Magnetic declination

b) Angle of dip

c) Magnetic inclination

d) Magnetic deviation

Answer: a) Magnetic declination

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