Question Answers

A potential difference of 500V is applied to a parallel plate condenser. The separation between plates is 2×10^−3 m. The plates of the condenser are vertical. An electron is projected vertically upwards between the plates with a velocity of 10^5 m/s and it moves undeflected between the plates. The magnetic field acting perpendicular to the [...]

In the given figure the capacitor of plate area A is charged up to charge q. The ratio of elongations (neglect force gravity) in springs C and D at equilibrium position is. In the given figure the capacitor of plate area A is charged up to charge q. The ratio of elongations (neglect force gravity) [...]

In the given figure a capacitor of plate area A is charged up to charge q. The mass of each plate is m2 . The lower plate is rigidly fixed. Find the value of m1, so that the system remains in equilibrium. In the given figure a capacitor of plate area A is charged up [...]

Force acting upon a charged particle kept between the plates of charged capacitor is F. If one of the plates of the capacitor is removed, force acting on the same particle will become : force acting on the same particle will become : Force acting upon a charged particle kept between the plates of charged [...]

A parallel plate capacitor of capacitance C is connected across a battery of emf. If the separation between the plates is doubled, the force of attraction between the plates _______ by a factor of ________. A parallel plate capacitor of capacitance C is connected across a battery of emf. If the separation between the plates [...]

Three plates 1,2 and 3 of area A each and separation between two consecutive plates d, are connected as shown in figure. The energy stored, when the plates are fully charged, is? 2 and 3 of area A each and separation between two consecutive plates d are connected as shown in figure. The energy stored [...]

Two identical capacitors A and B shown in the given circuit are joined in series with a battery. If a dielectric slab of dielectric constant K is slipped between the plates of capacitor B and battery remains connected, then the energy of capacitor A will In the given circuit potential of point A is : [...]

Select the correct statement: a. The energy of the capacitor resides in the field between the plates Select the correct statement: a. The energy of the capacitor resides in the field between the plates December 5, 2020 Category: Arihant Physics by D.C Pandey , Chapter 2 - Electrostatic Potential and Capacitance , Volume 2 ,

The energy stored in the capacitors is U when S is open. Now S is closed, the charge passed through S is Q, then? the charge passed through S is Q The energy stored in the capacitors is U when S is open. Now S is closed then December 5, 2020 Category: Arihant Physics by [...]

An isolated metallic object is charged in vacuum to a potential V0 , its electrostatic energy being W0. It is then disconnected from the source of potential, its charge being left uncharged and is immersed in a large volume of dielectric with dielectric constant K. The electrostatic energy will be An isolated metallic object is [...]