# Physics Electrostatics Test Online Preparation Mcqs

## Physics Electrostatics Test Online Preparation Mcqs With Answers Start Below

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Question 1 of 15

1. A hollow metallic sphere of 8cm diameter is charged with 4x10-8C. The potential on its surface will be:
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

2. Tick the correct statement
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. Electric potential of the Earth is taken as zero because the earth is a good
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. Electric flux due to a point charge +q is ________.
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. In EEG, voltage is plotted versus time. This voltage is produced by electrical activity of
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. Electric flux linked with a surface will be maximum when
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. SI unit of permittivity of free space is _________
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. Value of ϵr for various dielectric is always
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. If the distance between the two point charges become half, then force between them becomes _______.
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

10. The electric lines of force are _________.
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. The minimum charge on any object cannot be less than _______.
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

12. When we rub a glass rod with a silk cloth, then ______
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

13. If a 10 F capacitor is to have an energy content of 20J, it must be placed across potential difference of:
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. N/C = _______
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

15. A 25eV electron has a speed of_________.
A.
B.
C.
D.

Question 15 of 15

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