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Recent questions tagged electric capacitance
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In the circuit shown the capacitor of capacitance C is initially uncharged. Now the capacitor is
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Apr 6, 2019
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JEE
by
kratos
irodov
electric capacitance
electrodynamics
circuits
capacitance
jee
jee mains
electromagnetism
+1
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1
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The potential difference, VC, across a 3 Farad parallel-plate capacitor whose plates have radius R = 2 cm varies with time and
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Apr 5, 2019
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Class 12
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kratos
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neet
electrodynamics
electric capacitance
cbse
electromagnetic waves
jee main 2021
electric current
jee
aiims
jee mains
jee main
class-12
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1
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A thin straight rod of length 2a carrying a uniformly distributed charge q is located in vacuum.
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Mar 31, 2019
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JEE
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kratos
irodov
electric capacitance
electrodynamics
jee
magnetic field
jee mains
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1
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A spherical shell of radius R1 with uniform charge q is expanded to a radius R2.
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Mar 31, 2019
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JEE
by
kratos
irodov
electric capacitance
jee mains
jee
electrodynamics
+2
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1
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The parallel combination of two air filled parallel plate capacitors of capacitance C and nC is connected to a battery of voltage, V.
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Mar 19, 2019
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JEE
by
kratos
irodov
electric capacitance
electrodynamics
capacitance
jee
jee mains 2019
jee mains
electromagnetism
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1
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Find the capacitance of a spherical capacitor whose electrodes have radii R1 and R2 > R1 and which is filled
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Mar 18, 2019
in
JEE
by
kratos
irodov
electric capacitance
electrodynamics
jee
jee mains
+1
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1
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A parallel plate capacitor of capacitance 20 μF is being charged by a voltage source whose potential is changing at the rate of 3 V/*
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Mar 18, 2019
in
Class 12
by
kratos
irodov
electric capacitance
electrodynamics
cbse
jee main 2021
electrostatics
jee
jee mains
jee main
class-12
neet 2019
+2
votes
1
answer
A capacitor filled with dielectric of permittivity ε = 2.1 loses half the charge acquired during a time interval τ = 3.0 min.
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Mar 8, 2019
in
JEE
by
kratos
irodov
electric capacitance
electrodynamics
electric current
jee
jee mains
electric field
+3
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1
answer
The space between the plates of a parallel-plate capacitor is filled consecutively with two dielectric layers 1 and 2 having the thicknesses
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Mar 5, 2019
in
JEE
by
kratos
irodov
electric capacitance
electrodynamics
jee
jee mains
+3
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1
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Each plate of a parallel-plate air capacitor has an area *. What amount of work has to be performed to slowly increase
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Mar 4, 2019
in
JEE
by
kratos
irodov
electric capacitance
electrodynamics
jee
jee mains
+3
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1
answer
Two long straight wires with equal cross-sectional radii a are located parallel to each other in air.
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Mar 2, 2019
in
JEE
by
kratos
irodov
electric capacitance
electrodynamics
jee
jee mains
+1
vote
1
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A capacitor of capacitance 10 μF is connected to an AC source and an AC Ammeter, if the source voltage varies as V = 50√ 2 sin 100 t,
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Feb 19, 2019
in
Class 12
by
kratos
irodov
electric capacitance
electrodynamics
jee
jee mains
class-12
neet 2019
+3
votes
1
answer
What amount of heat will be generated in the circuit shown in Fig. 3.30 after the switch Sw is shifted from position 1 to position 2?
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Feb 12, 2019
in
JEE
by
kratos
irodov
electric capacitance
electrodynamics
jee
jee mains
+2
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1
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Two identical parallel plate capacitors of capacitance C each are connected in series with a battery of emf, E as shown.
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Feb 7, 2019
in
JEE
by
kratos
irodov
electric capacitance
electrodynamics
circuits
capacitance
jee
jee mains
electromagnetism
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1
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There is an infinite straight chain of alternating charges q and -q. The distance between the neighbouring charges
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Jan 30, 2019
in
JEE
by
kratos
irodov
electric capacitance
electrodynamics
jee
jee mains
+2
votes
1
answer
Two parallel-plate air capacitors, each of capacitance C, were connected in series to a battery with emf
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Jan 30, 2019
in
JEE
by
kratos
irodov
electric capacitance
electrodynamics
jee
jee mains
+3
votes
1
answer
Two concentric metallic spherical shells of radii R and 3R are given charges Q1 and Q2 respectively.
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Jan 30, 2019
in
JEE
by
kratos
irodov
electric capacitance
electrodynamics
cbse
jee main 2020
electrostatics
jee
jee mains
class-12
+1
vote
1
answer
Find the charge of each capacitor in the circuit shown in Fig. 3.22.
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Jan 25, 2019
in
JEE
by
kratos
irodov
electric capacitance
jee mains
jee
electrodynamics
+3
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1
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A point charge q is located at the centre O of a spherical uncharged conducting layer provided with a small orifice
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Jan 22, 2019
in
JEE
by
kratos
irodov
electric capacitance
electrodynamics
jee
jee mains
electric field
+1
vote
1
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A thin wire ring of radius r has an electric charge q. What will be the increment of the force stretching the wire if a point charge q0
asked
Jan 21, 2019
in
JEE
by
kratos
irodov
electromagnetic induction
electrodynamics
electric capacitance
jee
jee mains
electric field
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