# NCERT Class 12 Chapter 5 Physics Magnetism and Matter MCQ | Questions & Answers

NCERT Class 12 Chapter 5 Physics Magnetism and Matter MCQ | Questions & Answers: Hey! Would you like to take up the NCERT Class 12 Chapter 5 Physics Magnetism and Matter MCQ Quiz? If so, then here is an article for you that you help you know your expertise in the respective area of interest. Good luck!

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1. The magnetic field of the earth can be modelled by that of a point dipole placed at the centre of the earth. The dipole axis makes an angle of 11.3° with the axis of the earth. At Mumbai, declination is nearly zero. Then,

2. A toroid of n turns, mean radius R and crosssectional radius a carries current I. It is placed on a horizontal table taken as x-y plane. Its magnetic moment m [NCERT Exemplar]

3. The angle of dip at a certain place where the horizontal and vertical components of the earth’s magnetic field are equal is

4. What is the angle of dip at a place where horizontal component of earth's magnetic field is equal to the vertical component?

5. In a permanent magnet at room temperature.

6. The magnetic field of Earth can be modelled by that of a point dipole placed at the centre of the Earth. The dipole axis makes an angle of 11.3° with the axis of Earth. At Mumbai, ‘declination is nearly zero. Then, [NCERT Exemplar]

7. Tangent law is applicable only when:

8. The period of oscillation of a magnet of momentum pm is 1.5s. If we use a bar magnet of same moment of inertia but moment 9pm, the time period of oscillation will be:

9. Magnetic lines of force due to a bar magnet do not intersect because

10. In a permanent magnet at room temperature [NCERT Exemplar]