Electrostatic Potential and Capacitance questions
621 published questions with worked solutions.
- Two metal spheres of radius R and 3R have same surface charge density . If they are brought in contact and then separated, the...
- Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : The...
- A parallel plate capacitor has charge 5 10^ -6 C. A dielectric slab is inserted between the plates and almost fills the space...
- Assume that an electric field E = 30x^2 , i exists in space. Then the potential difference V_A - V_O, where V_O is the potential...
- A parallel plate capacitor is made of two circular plates separated by a distance of 5 mm and with a dielectric of dielectric...
- An electric dipole has fixed dipole moment p , which makes angle θ with respect to x-axis. When subjected to an electric field E...
- A capacitance of 2 μF is required in an electrical circuit across a potential difference of 1.0 kV. A large number of 1μF...
- Three concentric metal shells A, B and C of respective radii a, b and c (a < b < c) have surface charge densities + , - and +...
- A parallel plate capacitor of capacitance 90 pF is connected to a battery of emf 20 V. If a dielectric material of dielectric...
- A solid conducting sphere, having a charge Q, is surrounded by an uncharged conducting hollow spherical shell. Let the potential...
- Voltage rating of a parallel plate capacitor is 500 V. Its dielectric can withstand a maximum electric field of 10^ 6 V/m. The...
- The electric field in a region is given by E = (Ax + B) i, where E is in NC^ -1 and x is in metres. The value of constants are A...
- A parallel plate capacitor has 1 μF capacitance. One of its two plates is given +2 μC charge and the other plate, +4 μC charge....
- An electric dipole is formed by two equal and opposite charges q with separation d. The charges have same mass m. It is kept in a...
- A capacitor with capacitance 5 μF is charged to 5 μC. If the plates are pulled apart to reduce the capacitance to 2 μF, how much...
- In free space, a particle A of charge 1 μC is held fixed at a point P. Another particle B of the same charge and mass 4 μg is...
- The parallel combination of two air filled parallel plate capacitors of capacitance C and nC is connected to a battery of...
- A point dipole p = -p_0 x is kept at the origin. The potential and electric field due to this dipole on the y-axis at a distance...
- A parallel plate capacitor with plates of area 1 m^2 each, are at a separation of 0.1 m. If the electric field between the plates...
- An electric field of 1000 V/m is applied to an electric dipole at angle of 45°. The value of electric dipole moment is 10^ -29...
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