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Q. No.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: Â Equipotential Surfaces |
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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: Â Equipotential Surfaces |
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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: Â Equipotential Surfaces |
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The work done to move a charge along an equipotential from \(A\) to point \(B:\)
1. cannot be defined as \(-\int_A^B E.dl\)
2. must be defined as \(-\int_A^BE.dl\)
3. is zero
4. can have a non-zero value
Subtopic: Â Equipotential Surfaces |
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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: Â Equipotential Surfaces |
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From NCERT
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The work done to move a charge along an equipotential from A to B
a. cannot be defined as \(-\int_{\mathrm{A}}^{\mathrm{B}} \mathbf{E} \cdot d \mathbf{1}\)
b. must be defined as \(-\int_{\mathrm{A}}^{\mathrm{B}} \mathbf{E} \cdot d \mathbf{1}\)
c. is zero.
d. can have a non-zero value.
Choose the correct option:
1. (a), (c)
2. (a), (b), (c)
3. (b), (c)
4. (c), (d)
a. cannot be defined as \(-\int_{\mathrm{A}}^{\mathrm{B}} \mathbf{E} \cdot d \mathbf{1}\)
b. must be defined as \(-\int_{\mathrm{A}}^{\mathrm{B}} \mathbf{E} \cdot d \mathbf{1}\)
c. is zero.
d. can have a non-zero value.
Choose the correct option:
1. (a), (c)
2. (a), (b), (c)
3. (b), (c)
4. (c), (d)
Subtopic: Â Equipotential Surfaces |
From NCERT
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