# NCERT Class 12/MCQ Questions for Class 12 Physics Chapter 5 Magnetism and Matter Sample Test,Sample questions

1. N to S

2.S to N

3.E to W

4.W to E

1.S to N

2. N to S

3.E to W

4.W to E

1.M

2.M.l.

3.2M/π

4.M/π

## Question: `Ferrites may be:`

1. ant. ferromagnetic

2.ferromagnetic

3.ferrimagnetic

4.None of the above

## Question: `In a bar magnet, magnetic lines of force z :`

1.are produced only at north pole like rays of light from a bulb

2.starts from north pole and ends at the south pole

3.emerge in circular paths from the middle of the bar

4. run continuously through the bar and outside

1.exponential

2.linear

3.algebraic

4.logarithmic

1.half

2.double

3.four times

4.one-fourth

1.Ohm

2.Weber

3.Tesla

4.None

## Question: `Tangent law is applicable only when:`

1.two uniform and mutually perpendicular magnetic fields exist

2.two magnetic fields exist

3.horizontal component of earth’s magnetic field is present

4.uniform magnetic field are used

1.frequency

2.time

3.distance

4.speed

1.[MLT-2]

2.[MLT-2A-1]

3.[MLT-2A-2]

4.[MT-2A-1]

1.1 A

2.zero

3.5 × 106 A

4. 2 × 10-7 A

1.B/2

2.B/4

3.2B

4.4B

## Question: `The magnetic field of earth is due to:`

1.induction effect of the sun

2.the presence of a large magnet at the centre of the earth

3.interaction of cosmic rays with the current of earth

4.motion and distribution of some material in an outside the earth

1.B

2. 2B

3.B/2

4.B/4

## Question: `The magnetic lines of force inside a bar magnet:`

1.do not exist

2.depends on area of cross-section of bar magnet

3.are from N-pole to S-pole of the magnet

4. are from S-pole to N-pole of the magnet.

## Question: `The Mariner’s compass is provided with Gimbals arrangement so as to :`

1. keep the needle always horizontal

2.give a direct reading of declination

3.give the direct value of dip

4.All the above

## Question: `The neutral point in the magnetic field of a horizontally placed bar magnet is a point where the magnetic field due to that bar magnet is:`

1.zero

2.more than that of earth

3.less than that of earth

4.equal to that of earth

## Question: `The radius of curvature of the path of charged particle in a uniform magnetic file is directly proportional to the`

1.charge on fie particle

2.Momentum of particle

3.energy of particle

4. Strength of field

1.0°

2.30°

3.45°

4.90°

## Question: `Which of the following has a low value in ferrites?`

1.Conductivity

2.Permeability

3.Magnetic susceptibility

4.All the above

## Question: `Which of the following has higher magnetic susceptibility?`

1.diamagnetic

2.paramagnetic

3.ferromagnetic

4.None of the above

## More MCQS

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