A slab of material of dielectric constant K has the same area as that of the plates of a parallel plate
|
|
1
|
2625
|
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
|
12858
|
September 6, 2016
|
Define an equipotential surface. Draw equipotential surfaces:
|
|
1
|
27372
|
September 6, 2016
|
Two uniformly large parallel thin plates having charge densities
|
|
0
|
1593
|
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
|
2739
|
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
|
13671
|
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
|
7121
|
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
|
6060
|
September 6, 2016
|
A Non spherical droplets, each of radius r, have been charged to have a potential V each
|
|
1
|
1118
|
September 6, 2016
|
Three concentric metallic shells A, B and C of radii a
|
|
1
|
5700
|
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
|
9761
|
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
|
8258
|
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
|
1682
|
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
|
1876
|
September 6, 2016
|
What is the geometrical shape of equipotential surfaces due to a single isolated charge?
|
|
0
|
7010
|
September 6, 2016
|
For any charge configuration, equipotential surface through a point is normal to the electric fields. Justify
|
|
0
|
5063
|
September 6, 2016
|
Why are electric field lines perpendicular at a point on an equipotential surface of a conductor?
|
|
0
|
2909
|
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
|
8993
|
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
|
11205
|
September 6, 2016
|
Using Gauss's law obtain the expression for the j electric field due to a uniformly charged thin spherical shell of radius R at a point outside the shell. Draw a graph showing the variation of electric field with r, for r > R and r < R
|
|
0
|
5135
|
September 6, 2016
|
Use Gauss's law to derive the expression for the electric field between two uniformly charged large parallel sheets with surface charge densities
|
|
0
|
12400
|
September 6, 2016
|
Using Gauss's theorem, deduce an expression for j the electric field intensity at any point due to a thin, infinitely long wire of charge/length
|
|
0
|
4711
|
September 6, 2016
|
Using Gauss's law deduce the expression for the electric field due to a uniformly charged spherical
|
|
1
|
15155
|
September 6, 2016
|
Consider two hollow concentric spheres
|
|
1
|
1840
|
September 6, 2016
|
A particle of mass
|
|
1
|
560
|
September 6, 2016
|
Two point charges q1 and q2 are located at points (a, 0, 0) and (0, b, 0) respectively. Find the electric field due to both these charges at the point (0,0, c)
|
|
0
|
9869
|
September 6, 2016
|
Calculate the amount of work done to dissociate a system of three charge
|
|
1
|
16203
|
September 6, 2016
|
Given a uniform electric field
|
|
1
|
903
|
September 6, 2016
|
A sphere encloses a net charge
|
|
1
|
660
|
September 6, 2016
|
Define the term 'electric flux'. Write its SI units
|
|
0
|
4913
|
September 6, 2016
|