Electric Potential (Calculation for a point charge, Electric Dipole and System of Charges... ) NEET Questions

Physics - Electrostatics

Electric Potential (Calculation for a point charge, Electric Dipole and System of Charges... ) MCQ Questions


13.
The potential energy of an electric dipole in a uniform electric field is minimum when the angle between the dipole moment and the field is:

NEET - 2020

A.
0°
B.
45°
C.
90°
D.
180°
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ANSWER :
A. 0°
14.
The potential due to a system of charges is calculated using:

NEET - 2024

A.
Superposition principle
B.
Gauss’s theorem
C.
Ohm’s law
D.
Kirchhoff’s law
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ANSWER :
A. Superposition principle
15.
The electric potential due to a dipole at a point on its equatorial plane is:
A.
Depends on the dipole moment
B.
Maximum
C.
Equal to the potential at infinity
D.
Zero
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ANSWER :
D. Zero
16.
Equipotential surfaces around a point charge are:
A.
Irregular
B.
Planar
C.
Cylindrical
D.
Spherical
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ANSWER :
D. Spherical
17.
If the electric potential at a point is zero, the electric field at that point:
A.
Is always maximum
B.
Is always zero
C.
May or may not be zero
D.
Is always perpendicular to the surface
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ANSWER :
C. May or may not be zero
18.
The work done in moving a unit positive charge between two points on an equipotential surface is:

NEET - 2019

A.
Maximum
B.
Zero
C.
Depends on the path
D.
Minimum
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ANSWER :
B. Zero