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. Two charges are placed at a certain distance. If the magnitude of each charge is doubled, the force will become
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

2. The unit of ϵr
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. An electric charge at rest produces _________.
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. The metallic spheres A and B of radii 2m and 4m respectively carry the same charge 4x10-8C. If the spheres are connected by a copper wire.
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. The value of the capacitance depends upon the _________.
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

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

Question 6 of 15

Question 7 of 15

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

Question 7 of 15

Question 8 of 15

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

Question 8 of 15

Question 9 of 15

9. 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 9 of 15

Question 10 of 15

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

Question 10 of 15

Question 11 of 15

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

Question 11 of 15

Question 12 of 15

12. A 5μF capacitor has a potential difference across its plates of 200 volts. The charge on the capacitor is:
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

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

Question 13 of 15

Question 14 of 15

14. The number of electrons in one coloumb charge is equal to _________
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

15. Which one of the following under usual notation, can be taken as the measure of electric
A.
B.
C.
D.

Question 15 of 15


 

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