Electrostatic Potential and Capacitance questions
621 published questions with worked solutions.
- A parallel plate capacitor is formed by two plates each of area 30 cm^ 2 separated by 1 mm. A material of dielectric strength 3.6...
- If the charge on a capacitor is increased by 2 C, the energy stored in it increases by 44%. The original charge on the capacitor...
- 27 identical drops are charged at 22 V each. They combine to form a bigger drop. The potential of the bigger drop will be _____ V.
- The total charge on the system of capacitors C_ 1 = 1 F, C_ 2 = 2 F, C_ 3 = 4 F and C_ 4 = 3 F connected in parallel is : (Assume...
- Given below two statements: One is labelled as Assertion (A) and other is labelled as Reason (R). Assertion [A]: Non-polar...
- A parallel plate capacitor of capacitance 200 is connected to a battery of 200 V. A dielectric slab of dielectric constant 2 is...
- Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Two metallic...
- A dipole comprises of two charged particles of identical magnitude q and opposite in nature. The mass 'm' of the positive charged...
- A spherical metal shell A of radius R_A and a solid metal sphere B of radius R_B (< R_A) are kept far apart and each is given...
- Two large vertical and parallel metal plates having a separation of 1 cm are connected to a DC voltage source of potential...
- A thin spherical insulating shell of radius R carries a uniformly distributed charge such that the potential at its surface is...
- A parallel plate capacitor of capacitance C has spacing d between two plates having area A. The region between the plates is...
- If a free electron moves through a potential difference of 1 kV, then the energy gained by the electron is given by
- The work done in moving a charge of 2 coulomb (C) from point A to point B is 24 J. What is the potential difference between A and...
- Two point charges of 4 C and 16 C are kept at a distance of 0·18 m. A third point charge of 1 C is kept between them such that...
- A disk of radius R with uniform positive charge density is placed on the xy plane with its center at the origin. The Coulomb...
- A parallel plate capacitor with width 4 cm, length 8 cm and separation between the plates of 4 mm is connected to a battery of 20...
- A capacitor of capacitance 50 pF is charged by 100 V source. It is then connected to another uncharged identical capacitor....
- A slab of dielectric constant K has the same cross-sectional area as the plates of a parallel plate capacitor and thickness 3d/4,...
- Two capacitors, each having capacitance 40 F are connected in series. The space between one of the capacitors is filled with...
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