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
86. Three capacitor of 4?F each are to be connected in such a way that the net capacitance is 6?F. Then
A. All the these three be in series
B. All the these three be in parallel
C. Connect two in series and one in parallel
D. Connect two in parallel and one in series
Answer:
C. Connect two in series and one in parallel
87. When air is replaced by a dielectric medium of relative permittivity ?r, the maximum capacity of the condenser_____
A. Decrease εr times
B. increase εr times
C. Increase ε2 r times
D. Remains unchanged
Answer:
B. increase εr times
88. If a charged capacitor is connected to earth its charge.
A. Decrease
B. Increase
C. Remain same
D. None of above
Answer:
A. Decrease
89. If a metal plate is placed between two point charges then electrostatic force between them.
A. Remain constant
B. Increase
C. Decrease
D. Become zero
Answer:
D. Become zero
90. An alpha particle is accelerated through potential difference of 106V.Which of the following is its K.E?
A. 1 MeV
B. 2 MeV
C. 4 MeV
D. 8 MeV
Answer:
B. 2 MeV
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