Gauss’s Law and its Applications NEET Questions

Physics - Electrostatics

Gauss’s Law and its Applications MCQ Questions


1.
Gauss's law in electrostatics states that the total electric flux through a closed surface is equal to:
A.
ε₀ divided by enclosed charge
B.
Total charge enclosed divided by 4πε₀
C.
The total charge enclosed divided by ε₀
D.
The total charge enclosed multiplied by ε₀
😑 View Answer Rough Work Error
ANSWER :
C. The total charge enclosed divided by ε₀
2.
Gauss's law is based on:
A.
Lenz's law
B.
Inverse square law (Coulomb's law)
C.
Newton's law of gravitation
D.
Faraday's law
😑 View Answer Rough Work Error
ANSWER :
B. Inverse square law (Coulomb's law)
3.
Gauss's law is valid for:
A.
Only spherical surfaces
B.
Any closed surface (Gaussian surface)
C.
Only symmetric charge distributions
D.
Only point charges
😑 View Answer Rough Work Error
ANSWER :
B. Any closed surface (Gaussian surface)
4.
The Gaussian surface should NOT pass through:
A.
A region of varying field
B.
A point of zero electric field
C.
A continuous charge distribution
D.
Any discrete (point) charge
😑 View Answer Rough Work Error
ANSWER :
D. Any discrete (point) charge
5.
Gauss's law is most useful when the charge distribution has:
A.
Some symmetry (spherical, cylindrical, planar)
B.
Time-varying behavior
C.
Discrete point charges
D.
Random distribution
😑 View Answer Rough Work Error
ANSWER :
A. Some symmetry (spherical, cylindrical, planar)
6.
The electric field on the LHS of Gauss's law (∮E·dS = q/ε₀) is due to:
A.
Charges outside the Gaussian surface only
B.
Only the test charge
C.
Charges inside the Gaussian surface only
D.
All charges, both inside and outside
😑 View Answer Rough Work Error
ANSWER :
D. All charges, both inside and outside