Electrostatic Potential and Capacitance questions
621 published questions with worked solutions.
- A parallel plate air capacitor of capacitance C is connected to a cell of emf V and then disconnected from it. A dielectric slab...
- A capacitor is charged by a battery. The battery is removed and another identical uncharged capacitor is connected in parallel....
- A parallel plate capacitor of capacitance 20 is being charged by a voltage source whose potential is changing at the rate of 3...
- The amount of work done in increasing the voltage across the plates of a capacitor from 5 V to 10 V is 'W'. The work done in...
- Charge on a parallel plate capacitor of capacity C is Q. the electric field intensity between its two plates separated by a...
- 90 J of work is done to move an electric charge of magnitude 3 C from a place A, where potential is -10 V to another place B,...
- The electrostatic potential inside a charged spherical ball is given by V=ar^2+b where 'r' is the distance from its centre and...
- A regular hexagon of side 10 cm has a charge 1 C at each of its vertices. The potential at the centre of hexagon is [ 1 4 _0 = 9...
- A parallel plate capacitor is charged and the isolated. If the separation between the plates is increased, which one of the...
- The electric dipole of moment P is lying along a uniform electric field E. The work done in rotating the dipole through ^c 3 is [...
- Initially 'n' identical capacitors are joined in parallel and are changed to potential 'v'. Now they are separated and joined in...
- In a parallel plate air capacitor of plate separation 'd', a dielectric slab of thickness 't' is introduced between the plates (t...
- Consider the following statements about electric field intensity and electric potential A. The electric field intensity due to a...
- Three isolated metal spheres A, B, C have radius R, 2R, 3R respectively, and same charge Q. U_A, U_B and U_C be the energy...
- An uncharged capacitor is connected to a battery. While charging the capacitor, how much is the energy lost, from the energy...
- Four electric charged +q, +q, -q, and -q are placed in order at the corners of a square of side '2r'. The electric potential at...
- A spherical conductor of diameter 6 mm is kept in uniform electric field of intensity 2 10^ 7 N/C. The maximum charge on the...
- Two parallel air capacitors have their plate area 100cm^2 and 500cm^2, respectively. They have the same charge and potential. If...
- An electric dipole of moment P is lying along a uniform electric field E . The work done in rotating the dipole through 90^o is...
- A parallel combination of two capacitors of capacities '2C' and 'C' is connected across 5V battery. When they are fully charged,...
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