The potential at a point due to a +ve charge of 100µC at a distance of 9m is, 104 V, 106 V, 105V, 107V, At a point A , an electric field of 500V/m and potential difference of 3000V is applied. The distance between the point charge and A is, 6m, 36m, 12m, 144m, Electric field and electric potential inside a charged spherical shell are, E=0, V=0, E=0, V≠0, E≠0, V=0, E≠0, V≠0, A hollow metallic sphere of radius 10cm is charged such that potential of its surface is 70V.The potential at its centre is, 100V, 35V, 70V, 7V, What is the angle between electric field and equipotential surface?, 900, 00, 00 to 900, 00 to 1800, If we carry a charge once around an equipotential path, then work done by the charge is, Infinity, Positive, Negative, Zero, A dipole is placed in a uniform electric field. Its potential energy will be minimum when the angle between its axis and field is, 00, 1800, 900, 3600, A dipole is placed parallel to the electric field. If W is the work done in rotating the dipole by 600 , then work done in rotating it by 1800 is, 2W, 3W, 4W, W/2, A parallel plate capacitor is charged. If the plates are pulled apart, then its, capacitance increases, potential difference increases, total charge increases, charge and potential remains the same, Three capacitors of 2µF,3µF and 6µF are connected in series to 10V source. The charge in the 3µF capacitor is, 5µC, 10µC, 12µC, 15µC

Electric potential and capacitance

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