Electrostatics-Equipotential Surfaces (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 1 - 4 of 7
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Question number: 1
» Electrostatics » Equipotential Surfaces
Question
In the electric field of a point charge q, a certain charge is carried from point A to B, C, D and E. Then the work done by electric force is
Image of a Equipotential Sphere
A, B, C, D, E are on the equipotential sphere. +q point charge placed at the center of the sphere.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Least along AE |
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| b. | Least along the path AB |
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| c. | Zero along all the paths AB, |
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| d. | Least along the path AD |
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Question number: 2
» Electrostatics » Equipotential Surfaces
Question
In the figure the charge Q is at the center of the circle. Work done by electrostatic force on q is maximum, when another charge q is taken from point P to ________. (Consider both the charges to be positive)
Circle Having Q Charge at the Center
In figure the charge Q is at the center of the circle. Points P, L, M, N are on this equipotential circle and point K is at outside of the circle
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | N |
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| b. | L |
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| c. | M |
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| d. | K |
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Question number: 3
» Electrostatics » Equipotential Surfaces
Question
A uniform electric field pointing in positive x - direction exists in a region. Let A be the origin, B be the point on the x - axis at x =+1 cm and C be the point on the y - axis at y =+1 cm. Then the potentials at the points A, B and C satisfy
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | V A < V C |
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| b. | V A < V B |
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| c. | V A > V C |
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| d. | V A > V B |
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Question number: 4
» Electrostatics » Equipotential Surfaces
Appeared in Year: 2017
Question
The diagrams below show regions of equipotential
In Figure Regions of Equipotential
In figure regions of equipotential is shown.
A positive charge is moved from A to B in each diagram –
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Maximum work is required to move q in figure (2). |
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| b. | In all the four cases the work done is the same. |
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| c. | Minimum work is required to move q in figure (1) |
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| d. | Maximum work is required to move q in figure (3). |
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