Electrostatic Potential and Capacitance questions
621 published questions with worked solutions.
- The electric potential inside a conducting sphere
- Equal charges are given to two spheres of different radii. The potential will
- The surface density of charge on the surface of a charged conductor in air is 0.885 C/m^2 . If _0=8.85 10^ -12 C^2/N ,m^2 , then...
- A capacitor of capacity 4 µF charged in 50 volt is connected parallel to another capacitor of 2 µF charged to 100 V, with plates...
- A parallel plate capacitor carries a charge Q. If a dielectric slab with dielectric constant k = 2 is dipped between the plates,...
- In van de Graff generator, the process of spraying the charge is called
- Two parallel metal plates 2.0 cm apart, are connected to a 200 V battery. A proton with a positive charge 1.6 10^ -19 C is...
- What will be the capacity of a parallel-plate capacitor when the half of parallel space between the plates is filled by a...
- Statement 1: A parallel plate capacitor is charged by connecting it across a battery. The battery is then disconnected and...
- A hollow metal sphere of radius 5 cm is charged such that the potential on its surface is 10 V. The potential at a distance of 2...
- Two parallel metal plates having charges +Q and –Q face each other at a certain distance between them. If the plates are now...
- Consider two concentric spherical metal shells of radii r_1 and r_2 (r_2>r_1). If the outer shell has a charge q and the inner...
- A spherical conductor of radius 2 m is charged to a potential of 120 V. It is now placed inside another hollow spherical...
- A conducting sphere of radius R is given a charge Q. The electric potential and the electric field at the centre of the sphere...
- Two concentric spheres kept in air have radii ‘R’ and ‘r’. They have similar charge and equal surface charge density ‘ ’. The...
- The opposition offered by capacitance to flow of A.C. current through it is
- An electron is accelerated under a potential difference of 182 V. The maximum velocity of electron will be (Take, charge of an...
- The kinetic energy of an electron which is accelerated in the potential difference of 100 V is
- In a zener diode, the reverse bias voltage is 3 V and the width of the depletion region is 300 Å, the electric field intensity...
- A capacitor is charged with a battery and energy stored is U. After disconnecting battery another capacitor of same capacity is...
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