Punjab 12th Class Physics Chapter 3 Electromagnetism Mcqs Test Online

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Question 1 of 12

Physics

1. When charge particle enter perpendicular to magnetic field, the path followed by it is:

1.Straight line

2.A circle

3.A helix

4.Ellipse

Question 1 of 12

Question 2 of 12

2. A photon while passing through magnetic field are deflected towards:

1.South pole

2.Are ionized

3.None of these

4.North pole

Question 2 of 12

Question 3 of 12

3. Magnetism is related to:

1.Stationary charges

2.Law of motion

3.Stationary and moving charge

4.Moving charges

Question 3 of 12

Question 4 of 12

4. Ampere’s law is applicable to:

1.Rectangular path

2.None of these

3.Circular path

4.To any closed path

Question 4 of 12

Question 5 of 12

5. A moving charge is surrounded by:

1.None of these

2.3 fields

3.2 fields

4.4 fields

Question 5 of 12

Question 6 of 12

6. An electron moves at 2 x 10²m/see perpendicular to magnetic field of 2T, what is the magnitude of magnetic force?

1.6.4 x 10⁻¹⁷N

2.1 x 10⁻⁶N

3.4 x 10⁶N

4.3.6 x 10⁻²⁴N

Question 6 of 12

Question 7 of 12

7. The torque in the coil can be increased by increasing:

1.Current and magnetic field

2.Area of coil

3.All of above

4.Number of turns

Question 7 of 12

Question 8 of 12

8. The Weber is unit of measure of:

1.Electric flux

2.Electric current

3.Conductance

4.Magnetic flux

Question 8 of 12

Question 9 of 12

9. The unit permeability of free space is:

1.None of these

2.T.m²/A

3.Tm/A²

4.T.m/A

Question 9 of 12

Question 10 of 12

10. One weber is equal to:

1.N.A/m

2.N.A²/m

3.N.m²/A

4.Nm/A

Question 10 of 12

Question 11 of 12

11. The force on a charge particle moving parallel to magnetic field is:

1.Zero

2.Maximum

3.None of these

4.Minimum

Question 11 of 12

Question 12 of 12

12. The magnetic flux will be max, for an angle of:

1.90°

2.60°

3.160°

4.0°

Question 12 of 12

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