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DATESHEET (9th & 10th) ANNUAL EXAM 2022, Mardan Board, KPK BOARD PUNJAB BOARD DATE SHEET 2022
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2nd Year Physics Chapter 12 Electrostatistics Notes
Chapter 12 Electrostatistics MCQ 1. If the medium between the charges is not free space then electrostatic force will: (a) Increase (b) Decrease (c) Remain same (d) None of these 2. SI unit of permittivity of free space are: (a) Nm 2 C -2 (b) N -1 m -2 C -1 (c) N -1 m -1 C 2 (d) N -1 m -2 C 2 3. Numerical value of permittivity of free space is: (a) 9×10 9 Nm 2 C -2 (b) 8.85×10 -12 Nm 2 C -2 (c) 8.85×10 -12 N -1 m -2 C 2 (d) Both b and c 4. Two charges 1pC and 5pC separated by 20cm, the ratio of electrical forces acting on them will be: (a) 1:2 (b) 1:5 (c) 1:1 (d) 5:1 5. The concept of an electric field lines is introduced by: (a) Coulomb (b) Faraday (c) Einstein (d) Joseph Hen...