Electrostatic Potential and Capacitance questions
621 published questions with worked solutions.
- Which of the following statements is NOT TRUE? a. Work done to move a charge on an equipotential surface is not zero. b....
- A parallel plate capacitor is charged by a battery and battery remains connected. The dielectric slab of constant 'K' is inserted...
- Two spherical conductors of capacities 3 and 2 are charged to same potential having radii 3 cm and 2 cm respectively. If ' _1'...
- Three identical capacitors of capacitance 'C' each are connected in series and this connection is connected in parallel with one...
- The electric dipole will have minimum potential energy when it subtends an angle
- When three capacitors of equal capacities are connected in parallel and one of the same capacity, capacitor is connected in...
- Two parallel plate air capacitors of same capacity 'C' are connected in series to a battery of emf 'E'. then one if the...
- A parallel plate capacitor is charged and then disconnected from the charging battery. If the plates are now moved further apart...
- The dielectric slab is introduced between the plates of a parallel plate charged capacitor. Which one of the following quantities...
- The earth is assumed to be charged conducting sphere having volume 'V' and surface area 'A'. The capacitance of the earth in free...
- If the charge on the capacitor is increased by 3 coulomb, the energy stored in it increases by 44%. The original charge of the...
- Two point charges 'q1' and 'q2' are separated by a distance 'd'. What is the increase in potential energy of the system when 'q2'...
- Two electric dipoles of moment P and 27 P are placed on a line with their centres 24 cm apart. Their dipole moments are in...
- The potential on the plates of capacitor are +20V and -20V. The charge on the plate is 40C. The capacitance of the capacitor is
- The capacitance of a capacitor becomes 7 6 times the original value if dielectric slab of thickness t= 2d 3 is introduced between...
- In a parallel plate capacitor with air between the plates, the distance 'd' between the plates is changed and the space is filled...
- The work done in rotating a dipole placed parallel to the electric field through 180° is 'w'. So the work done in rotating it...
- Which of the following statements is 'WRONG' for the conductors?
- If E_a and E_q represents the electric field intensity due to a short dipole at a point on its axial line and on the equatorial...
- Which of the following combination of 7 identical capacitors each of 2 F gives a capacitance of 10 11 F ?
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