Physics Chapter 1 Electrostatics Quiz 3 Multiple Choice Questions Bank for 12th Class Students. Mostly Physics MCQs Grade 12 taken from Past Papers of Board Exams, ECAT and MDCAT.
MCQs for 2nd Year Physics with answers based on PCTB curriculum and approved by Pakistan Medical Commission and Engineering Council. All questions taken from the syllabus approved by National Curriculum Federal Government of Pakistan.
Multiple Choice Questions Physics F.Sc. Part 2
Chapter No.1
Electrostatics
Quiz 3
Total MCQs = 50
1. If a dielectric is placed between the plates of a capacitor, its capacitance
A. Decreases
B. Increases
C. Remains constant
D. None of these
Answer:
B. Increases
2. Doubling the distance between the plates of a capacitor, the capacitance:
A. Increases to double
B. Decreases to half
C. Remains constant
D. Decreases to one – fourth
Answer:
B. Decreases to half
3. If the medium between plates of a capacitor be air or vacuum, then the capacitance of capacitor is:
A. Aεο / 2d
B. Aεο / d
C. Ad / εο
D. 2Aεο / d
Answer:
B. Aεο / d
4. If an insulating material called dielectric is introduced between the plates, the capacitance of capacitor is:
A. Aεοεr / 2d
B. Aεοεr / d
C. Ad / εοεr
D. 2Aεοεr / d
Answer:
B. Aεοεr / d
5. The capacitance of a capacitor can be increased by
A. Increasing the area of the plates
B. Increasing the distance between plates
C. Placing dielectric between them
D. Both A & B
Answer:
D. Both A & B
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