Gauss’s Law and its Applications NEET Questions

Physics - Electrostatics

Gauss’s Law and its Applications MCQ Questions


13.
The flux through a cube with a charge q at its center is:
A.
q/2ε₀
B.
q/6ε₀
C.
q/ε₀
D.
Zero
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ANSWER :
C. q/ε₀
14.
For an infinitely long uniformly charged wire, the electric field at a distance r is proportional to:
A.
r
B.
1/r²
C.
1/r
D.
r²
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ANSWER :
C. 1/r
15.
Gauss's law states that the net electric flux through a closed surface is:
A.
Proportional to the volume of the surface
B.
Zero for any surface
C.
Proportional to the net charge enclosed
D.
Dependent on the electric field outside the surface
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ANSWER :
C. Proportional to the net charge enclosed
16.
Which symmetry is not ideal for applying Gauss’s law?
A.
Cylindrical symmetry
B.
Spherical symmetry
C.
Asymmetrical charge distribution
D.
Planar symmetry
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ANSWER :
C. Asymmetrical charge distribution
17.
The electric field inside a conductor in electrostatic equilibrium is:
A.
Equal to the field outside
B.
Constant
C.
Zero
D.
Proportional to charge density
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ANSWER :
C. Zero
18.
The electric field due to a uniformly charged infinite plane sheet is:

NEET - 2018

A.
Depends on distance from the sheet
B.
Zero
C.
Constant
D.
Proportional to charge squared
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ANSWER :
C. Constant