Physics Class 12 Chapter 1 Quiz 4 Electrostatics MCQs

2nd Year Physics MCQs F.Sc. Part 2
Chapter No.1
Electrostatics
Total MCQs = 50 

Multiple Choice Questions 2nd Year
MCQs Physics F.Sc. Part 2
Chapter No.1 Electrostatics
Best MCQs for Entry Test MDCAT, ECAT & Pakistan Medical Commission

71. Charge on electron is:

A. 1.6 x 1019 C
B. 1.6 x 10-19 C
C. 1.6 x 10-17 C
D. 1.6 x 1017 C

Answer:
B. 1.6 x 10-19 C




72. The electric flux through closed surface depends upon.

A. Charge
B. Medium
C. Geometry
D. Charge and medium

Answer:
D. Charge and medium

73. The work done in bringing a unit positive charge from infinity to that point in an electric field is called:

A. Potential
B. Potential difference
C. Absolute potential
D. All of these

Answer:
C. Absolute potential




74. Which of the following is the dielectric constant of metals?

A. Zero
B. One
C. Infinity
D. Greater than one but finite

Answer:
C. Infinity

75. Two charges q1 and q2 are placed in vacuum at distance d and force between them is F. If a mentioned of relative permittivity 4 is introduced between them then new force will be:

A. F/4
B. F/2
C. 2F
D. 4F

Answer:
A. F/4

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