The figure shows some equipotential lines distributed in space. A charged object is moved from point A to point B.
     

Choose the correct option:

1. The work done in Fig. (i) is the greatest.
2. The work done in Fig. (ii) is the least.
3. The work done is the same in Fig. (i), Fig. (ii) and Fig. (iii).
4. The work done in Fig. (iii) is greater than Fig. (ii) but equal to that in Fig. (i). 
Subtopic:  Equipotential Surfaces |
 91%
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Equipotentials at a great distance from a collection of charges whose total sum is not zero are approximately

1. spheres

2. planes

3. paraboloids

4. ellipsoids

Subtopic:  Equipotential Surfaces |
 63%
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Consider a uniform electric field in the \(\mathrm{z}\)-direction. The potential is a constant:

a. in all space.
b. for any \(\mathrm{x}\) for a given \(\mathrm{z}.\)
c. for any \(\mathrm{y}\) for a given \(\mathrm{z}.\)
d. on the \(\mathrm{x-y}\) plane for a given \(\mathrm{z}.\)

Choose the correct option:

1. (c), (d)
2. (a), (c)
3. (b), (c), (d)
4. (a), (b)
Subtopic:  Equipotential Surfaces |
 86%
From NCERT
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Equipotential surfaces:

a. are closer in regions of large electric fields compared to regions of lower electric fields.
b. will be more crowded near sharp edges of a conductor.
c. will be more crowded near regions of large charge densities.
d. will always be equally spaced.

Choose the correct option:
1. (a, b)
2. (c, d)
3. (a, b, c)
4. (a, b, c, d)

Subtopic:  Equipotential Surfaces |
 57%
From NCERT
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In a region of constant potential:

a. the electric field is uniform.
b. the electric field is zero.
c. there can be no charge inside the region.
d. the electric field shall necessarily change if a charge is placed outside the region.


Choose the correct option:
1. (b, c)
2. (a, c)
3. (b, d)
4. (c, d)

Subtopic:  Equipotential Surfaces |
 56%
From NCERT
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