Home
Class 12
PHYSICS
In the given figure a capacitor of plate...

In the given figure a capacitor of plate are `A` is charged upto charge `q`. The mass of each plate is `m_(2)`. The lower plate is rigidly fixed. The value of `m_(1)` if the system remains in equilibrium is.
.

A

`m_2+q^2/(epsilon_0Ag)`

B

`m_2`

C

`q^2/(2Aepsilon_0g)+m_2`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

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

In a parallel-plate capacitor of plate area A , plate separation d and charge Q the force of attraction between the plates is F .

In a parallel plate capacitor with plate area A and charge Q, the force on one plate because of the charge on the other is equal to

Consider a parallel plate capacitor having charge Q. Then,

Five identical capacitor plates are arranged such that they make four capacitors each of 2muF. The plates are connected to a source of emf 10 V . The charge on plate C is

A parallel plate capacitor is charged. If the plates are pulled apart

The capacitance of a parallel plate capacitor is 2 mu F and the charge on its positive plate is 2 muC . If the charge on its plates is doubled, the capacitance of the capacitor

A air filled parallel plate capacitor having circular plates of diameter D is given a charge Q.The magnitude of the force acting between plates is

Two charged capacitors have their outer plates fixed and inner plates connected by a spring of force constant k. The magnitude of charge on each capacitor is q and sign of charge on each capacitor is q and sign of charge is shown in figure. Find the extension in the spring at equilibrium.

A parallel plate vacuum capacitor eith plate area A and separation x has charges +Q and -Q on its plates. The capacitor is disconnected from the source of charge, so the charge on each plate remains fixed. a. What is the total energy stored in the capacitor? b. The plates are pulled apart an additional distance each case. c. If F is the force with which the plates attract each other, the change in the stored energy must equal the work dW =F dx done in pulling the plates apart. Find an expression for F d. Energy storage in a capacitor can be limited by the maximum electric field between the plates. What is the ratio of the electric field for the series for parallel combinations?