Electrostatic Potential and Capacitance questions
621 published questions with worked solutions.
- Two capacitors C_1 and C_2 are charged to 120 V and 200 V respectively. It is found that by connecting them together the...
- A point charge of 10^ -8 C is placed at origin. The work done in moving a point charge 2 C from point A(4,4,2) m to B(2,2,1) m is...
- Consider two identical metallic spheres of radius R each having charge Q and mass m. Their centers have an initial separation of...
- A capacitor P with capacitance 10 10^ -6 F is fully charged with a potential difference of 6.0 V and disconnected from the...
- Three charges +2q, +3q and -4q are situated at (0,-3a), (2a,0) and (-2a,0) respectively in the xy plane. The resultant dipole...
- There are three co-centric conducting spherical shells A, B and C of radii a, b and c respectively. The potential of the spheres...
- Identify the correct statements : A. Effective capacitance of a series combination of capacitors is always smaller than the...
- A parallel-plate capacitor of capacitance 40μF is connected to a 100 V power supply. Now the intermediate space between the...
- Which one of the following is the correct dimensional formula for the capacitance in F ? M, L, T and C stand for unit of mass,...
- A parallel plate capacitor was made with two rectangular plates, each with a length of l = 3 cm and breath of b = 1 cm. The...
- Three infinitely long wires with linear charge density are placed along the x-axis, y-axis and z-axis respectively. Which of the...
- A parallel plate capacitor of capacitance 1 μF is charged to a potential difference of 20 V. The distance between plates is 1 μm....
- An electric dipole of dipole moment 6 10^ -6 Cm is placed in uniform electric field of magnitude 10^6 V/m. Initially, the dipole...
- An electric dipole of mass m, charge q, and length l is placed in a uniform electric field E = E_0 i . When the dipole is rotated...
- A parallel plate capacitor consisting of two circular plates of radius 10 cm is being charged by a constant current of 0.15 A. If...
- Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Net...
- Using a battery, a 100 pF capacitor is charged to 60 V and then the battery is removed. After that, a second uncharged capacitor...
- The electrostatic potential on the surface of uniformly charged spherical shell of radius R = 10 cm is 120 V. The potential at...
- Two small spherical balls of mass 10 g each with charges –2 μC and 2 μC, are attached to two ends of very light rigid rod of...
- Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Work done in...
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