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

91. A parallel plate capacitor with oil between the plate(?_r = 2) has a capacitance “C”. If oil is removed then capacitance of capacitor becomes.

A. C
B. C/2
C. C/√2
D. √2C

92. A parallel plate capacitor is first charged and then a dielectric slab is introduced between the plates. Which of the following quantity remain unchanged?

A. Energy
B. Capacity
C. Potential
D. Charge

93. A 1?F capacitor is subjected to 4000V potential difference the energy stored in capacitor is:

A. 8J
B. 16J
C. 4 x 10^{-3/sup>J
D. 12 x 103/sup>J}

94. A charge Q is enclosed in a dielectric of strength K the maximum number of electric lines of force are

A. Zero
B. Q/ε₀
C. Q/Kε₀
D. Infinite

95. 4 x 10²⁰ eV energy is required to move a charge of 0.25 C from A to B the potential difference between A and B is

A. 178 V
B. 256 V
C. 356 V
D. 400 V

96. When electron is brought near a -vely charged plate then its electrical P.E.

A. Increase
B. Decrease
C. Remain same
D. Become zero

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