Class 12 MCQs for Physics with answers based on PCTB curriculum. All questions taken from the syllabus approved by PMC. 12th Class Physics MCQs for Board Exam preparation.
These Physics MCQs are very important for all type of Exams. Students also prepare MDCAT and ECAT exams preparation.
Multiple Choice Questions Physics F.Sc. Part 2
Chapter No.1 Electrostatics
Quiz 2
Total MCQs = 50
51. Electric flux is maximum when area is held ____ to field
A. Perpendicular
B. Parallel
C. Parallel
D. At angle of 60°
Answer:
A. Perpendicular
52. Flux passing through an area A bar will be positive, when angle between E bar and A bar will be
A. Greater than 90°
B. Less than 90°
C. Equal to than 90°
D. None of these
Answer:
B. Less than 90°
53. SI unit of electric flux is:
A. N2 m2 C-1
B. N2 m C-1
C. Nm2 C-2
D. Nm2 C-1
Answer:
A. N2 m2 C-1
54. The electric flux through any surface depends upon
A. Area of the surface
B. Direction of the surface relative to the field
C. The intensity of the electric field
D. All of these
Answer:
D. All of these
55. The electric flux φ through a closed surface having a charge ‘q’ at its centre is
A. φe = E/A
B. φe = q/εo
C. φe = F/q
D. φe = K q/r2
Answer:
B. φe = q/εo
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