NCERT Class 12 Chapter 4 Physics Moving Charges and Magnetism MCQs Quiz - 1

1. What is the unit of the magnetic field?

Tesla

Newton

Joule

Coulomb

2. The force on a charged particle moving in a magnetic field is maximum when the angle between velocity and magnetic field is:

0 Degree

45 Degree

90 Degree

180 Degree

3. The Biot-Savart law is used to calculate:

Electric field

Magnetic field

Gravitational field

Electromagnetic waves

4. A charged particle moving in a magnetic field experiences a force that is:

Parallel to the magnetic field

Perpendicular to both velocity and magnetic field

In the direction of velocity

Opposite to the direction of velocity

5. The direction of magnetic force on a moving charge in a magnetic field is given by:

Right-hand thumb rule

Right-hand palm rule

Fleming's left-hand rule

Coulomb's law

6. The magnetic field at the center of a circular loop carrying current is proportional to:

Radius of the loop

Square of the radius of the loop

Current through the loop

Distance from the center

7. A current-carrying conductor produces a:

Magnetic field around it

Electric field around it

Gravitational field

No field

8. The unit of magnetic flux is:

Tesla

Weber

Henry

Farad

9. In a moving coil galvanometer, the deflection of the coil is proportional to:

Current

Magnetic field

Resistance

Voltage

10. The magnetic force on a stationary charge is:

Zero

Maximum

Minimum

Infinite

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