Physics Quiz: Electrostatic Potential & Capacitance
Class 12 Physics Quiz - Electrostatic Potential Physics Quiz: Electrostatic Potential & Capacitance 1. A point charge q is rotated along a circle of radius r around another point charge Q. The work done by the electric field is: A) qQ / 4πε₀r B) qQ / 4πε₀r² C) Zero D) 2πr × qQ / 4πε₀r 2. The electric potential at a point due to an electric dipole is zero at: A) Any point on the axial line B) Any point on the equatorial line C) Both axial and equatorial lines D) Neither axial nor equatorial lines 3. Three capacitors of 3μF each are in series, then in parallel with another 3μF capacitor. Equivalent capacitance is: A) 1μF B) 4μF C) 9μF D) 6μF 4. If distance between plates is doubled and area is halved, capacitance becomes: A) Same B) Double C) One-fourth D) Four times 5. Which statement is true for an equipotential surface? A) Field is parallel to the surface B) No work is done in moving a charge on the surface C) Surfaces can intersect D) Potential is different at different points 6. A die…