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
76. A charge Q is divided into two parts q1 and q2. The maximum coulomb repulsion between the two parts is obtained when ratio q1/q2 is.
A. 1
B. 01-Feb
C. 01-Apr
D. 02-Mar
Answer:
A. 1
77. A metallic ball having charge 10-8C moves from a point A at potential 600V to a point B at zero potential. Which of the following is the change in its K.E.
A. 6 x 10-6 erg
B. 6 x 10-6 J
C. 6 x 106 J
D. -6 x 106 J
Answer:
B. 6 x 10-6 J
78. Electric field and electric potential inside hollow charged conducting sphere are respectively.
A. Zero, non zero
B. Non zero, zero
C. 0, 1/4π εο q/r2
D. 1/4π εο q/r2, 1/4π εο q/r
Answer:
A. Zero, non zero
79. Two point charges are +2C and +6C repel each other with a force of 12N. If a charge of -4C is given to each of these charges, the force now is
A. Zero
B. 4N repulsion
C. 4N atttactive
D. 12N attractive
Answer:
C. 4N atttactive
80. Two copper spheres of same radii one hollow and other solid are charged to the same potential then.
A. Both will hold same charge
B. Solid will hold more charge
C. Hollow will hold more charge
D. Hollow can not be charged
Answer:
A. Both will hold same charge
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