Electric Flux NEET Questions

Physics - Electrostatics

Electric Flux MCQ Questions


1.
What is the SI unit of electric flux?
A.
C²/Nm²
B.
C/Nm²
C.
V/m
D.
Nm²/C
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ANSWER :
D. Nm²/C
2.
According to Gauss's law, the total flux through a closed surface depends on:

NEET - 2019

A.
Total charge inside the surface
B.
Total charge outside the surface
C.
Shape of the surface
D.
Size of the surface
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ANSWER :
A. Total charge inside the surface
3.
Electric flux through a closed surface is proportional to:
A.
Permittivity of free space
B.
Surface area
C.
Electric field strength
D.
Net charge enclosed
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ANSWER :
D. Net charge enclosed
4.
According to Gauss's law, the electric flux through a closed surface depends on:
A.
The material surrounding the surface
B.
The shape of the surface
C.
The size of the surface
D.
The net charge enclosed by the surface
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ANSWER :
D. The net charge enclosed by the surface
5.
What is the electric flux through a surface perpendicular to an electric field E and of area A?
A.
E / A
B.
E × A
C.
A / E
D.
E + A
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ANSWER :
B. E × A
6.
If the electric field is uniform, the electric flux through a surface is given by:
A.
E + A
B.
E A cosθ
C.
E A sinθ
D.
E A tanθ
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ANSWER :
B. E A cosθ