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Recent questions tagged electrostatic potential
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In a circular parallel plate capacitor radius of each plate is 5 cm and they are separated by a distance of 2 mm.
asked
Apr 6, 2019
in
JEE
by
kratos
irodov
electrodynamics
capacitance
electrostatics
electric current
jee
electrostatic potential
jee mains
class-12
+3
votes
1
answer
A cylindrical capacitor has radii a and b (b > a). The amount of energy stored in the cylindrical
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Apr 5, 2019
in
Class 12
by
kratos
mensuration
capacitors
electrostatic potential and capacitance
capacitance
class-8
electrostatic potential
class-12
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1
answer
An electrical technician requires a capacitance of 2μF in a circuit across a potential difference of 1KV.
asked
Apr 5, 2019
in
JEE
by
kratos
electrostatic potential and capacitance
capacitance
electrostatics
electrostatic potential
jee
jee mains
class-12
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1
answer
Define capacitance of a capacitor. Derive expression for stored energy between plates of parallel capacitor.
asked
Apr 4, 2019
in
Class 12
by
kratos
capacitance
electrostatic potential
class-12
cbse
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votes
1
answer
Assertion : In the absence of an externally applied electric field, the displacement per unit volume of a polar dielectric material is always zero.
asked
Apr 4, 2019
in
Class 12
by
kratos
neet
cbse
capacitance
electrostatic potential
aiims
class-12
+2
votes
1
answer
Four capacitors are connected as shown in the adjoining fig. The potential difference between A and B is 1500 volt.
asked
Apr 2, 2019
in
JEE
by
kratos
capacitance
electrostatics
electrostatic potential
jee
jee mains
electromagnetism
class-12
bitsat
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votes
1
answer
A liquid resistor consists of two concentric metal cylinders of diameters D = 35 cm
asked
Apr 1, 2019
in
JEE
by
kratos
capacitance
electrostatics
electrostatic potential
jee
jee mains
class-12
+1
vote
1
answer
A point charge of magnitude + 1 μC is fixed at (0, 0, 0). An isolated uncharged spherical conductor,
asked
Mar 30, 2019
in
Class 12
by
kratos
neet
cbse
capacitance
electrostatics
electrostatic potential
jee
aiims
jee mains
class-12
electrical capacitance
+3
votes
1
answer
Consider an assembly of three conducting concentric spherical shells of radii a, b
asked
Mar 28, 2019
in
Class 12
by
kratos
neet
capacitors
jee main 2020
capacitance
electrostatic potential
jee
aiims
electrostatics
jee mains
class-12
+3
votes
1
answer
The capacitance of parallel plate capacitor........by introduction of dielectric between the plates of the capacitor
asked
Mar 28, 2019
in
Class 12
by
kratos
capacitance
electrostatic potential
class-12
electrical capacitance
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vote
1
answer
Derive an expression for the capacitance of a parallel plate capacitor.
asked
Mar 24, 2019
in
Class 12
by
kratos
capacitance
electrostatic potential
class-12
cbse
+2
votes
1
answer
A current of 2 ampere flows in a system of conductors as shown in the following figure. The potential difference (VA – VB) will be - (in volt)
asked
Mar 24, 2019
in
Class 12
by
kratos
electric current in conductors
cbse
capacitance
electrostatic potential
electric potential
class-12
current electricity
+3
votes
1
answer
A metal sphere 4 m in diameter is charged to a potential of 3 MV. Calculate the heat generated
asked
Mar 22, 2019
in
Class 12
by
kratos
neet
capacitance
electrostatics
electrostatic potential
jee
aiims
jee mains
+1
vote
1
answer
In the previous problem, what is the magnitude of force on the charge q when x becomes very large compared to the quadrupole separation d.
asked
Mar 22, 2019
in
Physics
by
kratos
cbse
electrostatic potential and capacitance
electromagnetic waves
capacitance
electrostatic potential
jee
jee mains
class-12
nuclear physics
+2
votes
1
answer
A number of spherical shells of different radii are uniformly charged to same potential.
asked
Mar 21, 2019
in
Class 12
by
kratos
neet
capacitance
electrostatics
electrostatic potential
aiims
jee
jee mains
+1
vote
1
answer
The diagram showing the variation of gravitational potential of earth with distance from the centre of eath is :–
asked
Mar 18, 2019
in
JEE
by
kratos
gravitational
cbse
capacitance
class-11
jee
electrostatic potential
jee mains
electric potential
class-12
+2
votes
1
answer
A parallel plate capacitor with air between the plates has a capacitance of 8 pF
asked
Mar 17, 2019
in
Class 12
by
kratos
capacitance
electrostatic potential
cbse
class-12
+3
votes
1
answer
In the given figure, the capacitance C1, C3, C4, C5 have a capacitance 4 μF each.
asked
Mar 17, 2019
in
Class 12
by
kratos
neet
cbse
capacitance
electrostatic potential
aiims
class-12
+1
vote
1
answer
A 12 pf capacitor is connected to 160 V battery. How much electrostatic energy is stored in the capacitor ?
asked
Mar 16, 2019
in
JEE
by
kratos
cbse
electrostatic potential and capacitance
capacitance
electrostatics
electrostatic potential
jee
jee mains 2019
jee mains
class-12
+2
votes
1
answer
Let ua and ud represent the energy density (energy per unit volume) in air and in a dielectric respectively, for the same field in both.
asked
Mar 15, 2019
in
Class 12
by
kratos
neet
programming
capacitance
electrostatic potential
electricity
jee
aiims
jee mains
class-12
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