WBJEE SERIES Physics
Electrostatic Potential And Capacitance
7 previous year questions.
Volume: 7 Ques
Yield: Medium
High-Yield Trend
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2026 1
2023 1
2014 2
2012 2
2010 Chapter Questions 7 MCQs
01
PYQ 2010
hard
physics ID: wbjee-20
In the figure below, the capacitance of each capacitor is . The effective capacitance between and is :
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4
02
PYQ 2010
medium
physics ID: wbjee-20
identical droplets are charged to volt each. If they coalesce to form a single drop, then its potential will be
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03
PYQ 2012
medium
physics ID: wbjee-20
A charge is placed at the origin of axes as shown in the figure. The work done in taking a charge from to along the straight line is
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04
PYQ 2012
medium
physics ID: wbjee-20
In the adjoining figure the potential difference between and is . The potential difference the points and will be
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05
PYQ 2014
hard
physics ID: wbjee-20
Consider two concentric spherical metal shells of radii and . If the outer shell has a charge and the inner one is grounded, the charge on the inner shell is
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2
zero
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06
PYQ 2023
easy
physics ID: wbjee-20
The figure shows two identical parallel plate capacitors A and B of capacitances C connected to a battery. The key K is initially closed. The switch is now opened and the free spaces between the plates of the capacitors are filled with a dielectric constant 3. Then which of the following statement(s) is/are true?
1
When the switch is closed, the total energy stored in the two capacitors is CV2.
2
When the switch is opened, no charge is stored in capacitor B.
3
When the switch is opened, energy stored in capacitor B is CV2.
4
When the switch is opened, the total energy stored in capacitors is CV2.
07
PYQ 2026
medium
physics ID: wbjee-20
Two charges and are placed at points and respectively which are at a distance apart. is the midpoint of . The work done in moving a charge along the semicircle CSD ( ) and along the line CBD ( ) are 
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