|
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?
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|
0
|
1881
|
September 6, 2016
|
|
What is the geometrical shape of equipotential surfaces due to a single isolated charge?
|
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0
|
7018
|
September 6, 2016
|
|
For any charge configuration, equipotential surface through a point is normal to the electric fields. Justify
|
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0
|
5065
|
September 6, 2016
|
|
Why are electric field lines perpendicular at a point on an equipotential surface of a conductor?
|
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0
|
2910
|
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
|
8998
|
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?
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|
1
|
11232
|
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
|
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0
|
5171
|
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
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0
|
12486
|
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
|
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0
|
4782
|
September 6, 2016
|
|
Using Gauss's law deduce the expression for the electric field due to a uniformly charged spherical
|
|
1
|
15419
|
September 6, 2016
|
|
Consider two hollow concentric spheres
|
|
1
|
1850
|
September 6, 2016
|
|
A particle of mass
|
|
1
|
564
|
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
|
9908
|
September 6, 2016
|
|
Calculate the amount of work done to dissociate a system of three charge
|
|
1
|
16227
|
September 6, 2016
|
|
Given a uniform electric field
|
|
1
|
909
|
September 6, 2016
|
|
A sphere encloses a net charge
|
|
1
|
683
|
September 6, 2016
|
|
Define the term 'electric flux'. Write its SI units
|
|
0
|
4937
|
September 6, 2016
|
|
State Gauss's law in electrostatics
|
|
0
|
8717
|
September 6, 2016
|
|
A charge q is placed at the centre of a cube of side l. What is the electric flux passing through each face of the cube?
|
|
1
|
1867
|
September 6, 2016
|
|
Two charges of magnitudes - 2Q and + Q are located at points (a, 0) and (4a, 0) respectively
|
|
1
|
4179
|
September 6, 2016
|
|
Define the term 'electric flux'. Write its S.I. unit
|
|
0
|
14885
|
September 6, 2016
|
|
What is the electric flux through a cube of side 1 cm which encloses an electric dipole?
|
|
0
|
6899
|
September 6, 2016
|
|
How does the electric flux due to a point charge enclosed by a spherical Gaussian surface get affected when its radius is increased?
|
|
0
|
7333
|
September 6, 2016
|
|
Define electric dipole moment. Is it a scalar or a vector?
|
|
1
|
8157
|
September 6, 2016
|
|
A dipole is made up of two charges + q and - q separated by a distance 2a
|
|
1
|
4774
|
September 6, 2016
|
|
Identify two pairs of perpendicular vectors in the expression
|
|
1
|
7131
|
September 6, 2016
|
|
An electric dipole is placed in a uniform electric field
|
|
1
|
25724
|
September 6, 2016
|
|
(a) A point charge (+ Q) is kept in the vicinity of an uncharged conducting plate. Sketch electric field lines between the charge and the plate
|
|
1
|
35222
|
September 6, 2016
|
|
Two point charges + q and -2q are placed at the vertices 'B' and ‘C of an equilateral triangle ABC of side 'a' as given in the figure. Obtain the expression for
|
|
1
|
33518
|
September 6, 2016
|
|
An electric dipole of dipole moment p is placed in a uniform electric field E
|
|
1
|
6088
|
September 6, 2016
|