A variable condenser is permanetly conne...

A variable condenser is permanetly connect to a `100V` battery. If the capacity is charged from `2muE` to `10muF`, then change in energy is equal to

`2 xx 10^(-2) J`

`2.5 xx 10^(-2) J`

`3.5 xx 10^(-2)J`

`4 xx 10^(-2) J`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

ELECTROSTATIC POTENTIAL AND CAPACITORS
DC PANDEY|Exercise (B) Chapter exercises|20 Videos
ELECTROSTATIC POTENTIAL AND CAPACITORS
DC PANDEY|Exercise (C) Chapter exercises|50 Videos
ELECTROSTATIC POTENTIAL AND CAPACITORS
DC PANDEY|Exercise Check point 2.5|20 Videos
ELECTROMAGNETIC WAVES
DC PANDEY|Exercise Sec C|22 Videos
ELECTROSTATICS
DC PANDEY|Exercise Medical entrances gallery|37 Videos

Similar Questions

Explore conceptually related problems

A condenser of capacity 50 mu F is charged to 10 volts. Its energy is equal to

If the potential of a capacitor having capacity of 6 muF is increased from 10 V to 20 V,then increase in its energy will be

A condenser has a capacity 2muF and is charged to a voltage of 50 V. The energy stored is

A 2muF capacitor is connected to a 10 V battery. What is the electrostatic energy stored in the capacitor?

The two parallel plates of a condenser have been connected to a battery of 300 V and the charge collected at each plate is 1muC. The energy supplied by battery is :

Two capacitors of capacitances C_(1)=2muF and C_(2)=8muF are connected in series and the resulting combination is connected across a 300V battery. Calculate the charge, potential difference and energy stored in the capacitor separately.

An RC- circuit, with R = 600kOmega and C = 10muF , is connected to a 5.0-V battery unit the capacitor is fully charged. Then, the battery is suddenly replaced with a new 3.00-V battery of opposite polarity. At what time after this replacement will the energy stored in the capacitor be zero ? (given that e ~~ (8)/(3) )

The capacity of a condenser A is 10muF and it is charged to a battery of 100 volt. The battery is disconnected and the condenser A is connected to a condenser B the common potential is 40V. The capacity of B is

A body of capacity 4 muF is charged to 80V and another body of capacity 6muF is charged to 30V . When they are connected the energy lost by 4 muF capacitor is

DC PANDEY-ELECTROSTATIC POTENTIAL AND CAPACITORS-(A) Chapter exercises

A 2 muF capacitor is charged to 100 V, and then its plates are connect...
Text Solution
|
If there are n capacitors in parallel connected to V volt source, then...
Text Solution
|
A variable condenser is permanetly connect to a 100V battery. If the c...
Text Solution
|
Two condensers of capacity 0.3 muF and 0.6muF respectively are connect...
Text Solution
|
A capacity of capacity C(1) is charged up to V volt and then connected...
Text Solution
|
A capacitor is charged by using a battery which is then disconnected. ...
Text Solution
|
A parallel plate air capacitor is charged to a potential difference of...
Text Solution
|
Two concentric metallic spherical shells are given positive charges . ...
Text Solution
|
Dielectric constant of pure water is 81. Its permittivity will be
Text Solution
|
Two spherical conductors each of capacity C are charged to potetnial V...
Text Solution
|
Two spheres A and B of radius 4 cm and 6 cm are given charges of 80 mu...
Text Solution
|
The electric potential difference between two parallel plates is 2000 ...
Text Solution
|
Two conducting spheres A and B of radii 4 cm and 2 cm carry charges of...
Text Solution
|
The insulated spheres of radii R(1) and R(2) having charges Q(1) and Q...
Text Solution
|
A small sphere is charged to a potential of 50 V and a big hollow sphe...
Text Solution
|
Two identical charges are placed at the two corners of an equilateral ...
Text Solution
|
Four electric charges +q, +q, -q and -q are placed at the corners of a...
Text Solution
|
A hollow metal sphere of radius 10cm is charged such that the potentia...
Text Solution
|
A parallel plate condenser has a unifrom electric field E (V//m) in th...
Text Solution
|
Charges 5 muC and 10 muC are placed 1 m apart. Work done to bring thes...
Text Solution
|