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

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MCQ▾

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

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

b.

Least along the path AB

c.

Zero along all the paths AB,

d.

Least along the path AD

Question number: 2

» Electrostatics » Equipotential Surfaces

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MCQ▾

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

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

b.

L

c.

M

d.

K

Question number: 3

» Electrostatics » Equipotential Surfaces

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MCQ▾

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

b.

V A < V B

c.

V A > V C

d.

V A > V B

Question number: 4

» Electrostatics » Equipotential Surfaces

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Appeared in Year: 2017

MCQ▾

Question

The diagrams below show regions of equipotential

In figure 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).

b.

In all the four cases the work done is the same.

c.

Minimum work is required to move q in figure (1)

d.

Maximum work is required to move q in figure (3).

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