|
A capacitor of unknown capacitance is connected across a battery of V volts
|
|
1
|
17046
|
September 6, 2016
|
|
The capacitors C1 and C2 having plates of area A each, are connected in series, as shown
|
|
1
|
4802
|
September 6, 2016
|
|
Deduce the expression for the electrostatic energy stored in a capacitor of capacitance 'C' and having charge 'Q'
|
|
1
|
9634
|
September 6, 2016
|
|
Net capacitance of three identical capacitors in series is lpF. What will be their net capacitance if connected in parallel ? Find the ratio of energy stored in the two configurations if they are both connected to the same source
|
|
0
|
4177
|
September 6, 2016
|
|
Obtain the expression for the potential due to an electric dipole of dipole moment p at a point V on the axial line
|
|
1
|
9032
|
September 6, 2016
|
|
Explain, using suitable diagrams, the differnce in the behaviour of a (i) conductor and (ii) dielectric in the presence of an external electric field. Define the terms polarization of a dielectric and write its relation with susceptibility
|
|
1
|
3923
|
September 6, 2016
|
|
Compare the individual dipole moment and the specimen dipole moment for water molecule and oxygen molecule when placed in
|
|
0
|
8603
|
September 6, 2016
|
|
Two isolated metal spheres A and B have radii R and 2R respectively, and same charge q. Find which of the two spheres have greater
|
|
1
|
12425
|
September 6, 2016
|
|
A slab of material of dielectric constant K has the same area as that of the plates of a parallel plate
|
|
1
|
2440
|
September 6, 2016
|
|
A parallel plate capacitor of capacitance C is charged to a potential V It is then connected to another uncharged capacitor having the same capacitance. Find out the ratio of the energy stored in the combined system to that stored initially in the single
|
|
0
|
12713
|
September 6, 2016
|
|
The given graph shows variation of charge q versus potential difference V for two capacitors
|
|
1
|
3986
|
September 6, 2016
|
|
Define an equipotential surface. Draw equipotential surfaces:
|
|
1
|
26641
|
September 6, 2016
|
|
Two uniformly large parallel thin plates having charge densities
|
|
0
|
1399
|
September 6, 2016
|
|
A test charge q is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure
|
|
1
|
2648
|
September 6, 2016
|
|
Draw a plot showing the variation of (i) electricfield (E) and (ii) electric potential (V) with distance r due to a point charge Q
|
|
0
|
13523
|
September 6, 2016
|
|
Write two properties of equipotential surfaces, Depict equipotential surfaces due to an isolated point charge. Why do the equipotential surfaces get closer as the distance between the equipotential surface and the source charge decreases?
|
|
0
|
7014
|
September 6, 2016
|
|
Find the P.E. associated with a charge q if it were present at the point P with respect to the 'set-up' of two charged spheres, arranged as shown
|
|
1
|
5939
|
September 6, 2016
|
|
A Non spherical droplets, each of radius r, have been charged to have a potential V each
|
|
1
|
1041
|
September 6, 2016
|
|
Three concentric metallic shells A, B and C of radii a
|
|
1
|
5465
|
September 6, 2016
|
|
Two point charges q and -2q are kept d distance apart Find the location of the point relative to charge q at which potential due to this system of charges is zero
|
|
0
|
9228
|
September 6, 2016
|
|
Two closely spaced equipotential surfaces A and B with potentials V are kept distance apart as shown in the figure. Deduce the relation between the electric field and the potential gradient between them. Write the two important conclusions concerning t
|
|
1
|
7846
|
September 6, 2016
|
|
A hollow metal sphere of radius 5 cm is charged such that the potential on its surface is 10 V What is the potential at the centre of the sphere?
|
|
0
|
1635
|
September 6, 2016
|
|
A point charge Q is placed at point O as shown in the figure. Is the potential difference VA - VB positive, negative or zero, if Q is (i) positive, (ii) negative?
|
|
0
|
1812
|
September 6, 2016
|
|
What is the geometrical shape of equipotential surfaces due to a single isolated charge?
|
|
0
|
6926
|
September 6, 2016
|
|
For any charge configuration, equipotential surface through a point is normal to the electric fields. Justify
|
|
0
|
4993
|
September 6, 2016
|
|
Why are electric field lines perpendicular at a point on an equipotential surface of a conductor?
|
|
0
|
2842
|
September 6, 2016
|
|
A charge 'q' is moved from a point A above a dipole j of dipole moment 'p' to a point B below the dipole f in equatorial plane without acceleration. Find the work done in the process
|
|
0
|
8946
|
September 6, 2016
|
|
A point charge +Q is placed at point O as shown j in the figure. Is the potential difference VA - VB positive, negative or zero?
|
|
1
|
11030
|
September 6, 2016
|