Q. No.Identify the incorrect statement.
| 1. | Equipotential surface due to a single point charge is spherical. |
| 2. | Equipotential surface can be constructed for dipole too. |
| 3. | The equipotential surface is normal to electric field lines. |
| 4. | The work done in moving a test charge on an equipotential surface is positive. |
Subtopic: Â Equipotential Surfaces |
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A uniform electric field of intensity is shown in the figure. How many of the labelled points have the same electric potential as the fully shaded point?
| 1. | \(2\) | 2. | \(3\) |
| 3. | \(8\) | 4. | \(11\) |
Subtopic: Â Equipotential Surfaces |
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From NCERT
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Equipotential surfaces corresponding to a uniform electric field are:
| 1. | straight lines | 2. | planar |
| 3. | spherical | 4. | ellipsoidal |
Subtopic: Â Equipotential Surfaces |
 55%
From NCERT
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Given below are two statements:
| Assertion (A): | The electric field and hence electric field lines are everywhere at the right angle to an equipotential surface. |
| Reason (R): | Equipotential surfaces are closer together where the electric field is stronger and farther apart where the field is weaker. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Â Equipotential Surfaces |
 68%
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The angle between equipotential surface and electric lines of force is:
1. zero
2. \(180^{\circ}\)
3. \(90^{\circ}\)
4. \(45^{\circ}\)
1. zero
2. \(180^{\circ}\)
3. \(90^{\circ}\)
4. \(45^{\circ}\)
Subtopic: Â Equipotential Surfaces |
 86%
From NCERT
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At a point in space, the uniform electric field points towards the east. In the region surrounding this point, the change of potential will be zero along:
1. east
2. west
3. east-west
4. north-south
1. east
2. west
3. east-west
4. north-south
Subtopic: Â Equipotential Surfaces |
 68%
From NCERT
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Given below are two statements:
| Assertion (A): | A spherical equipotential surface is not possible for a point charge. |
| Reason (R): | A spherical equipotential surface is possible inside an aspherical capacitor. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Â Equipotential Surfaces |
 82%
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 |
 57%
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: Â Equipotential Surfaces |
 57%
From NCERT
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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 |
 65%
From NCERT
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