Electric Field (Electric field due to a Point Charge, Electric Field Lines... ) NEET Questions

Physics - Electrostatics
Electric Field (Electric field due to a Point Charge, Electric Field Lines... )

Electric Field (Electric field due to a Point Charge, Electric Field Lines... ) MCQ Questions


13.
Electrostatic field lines do not form closed loops because:
A.
Electrostatic field is conservative in nature
B.
Of Gauss's law
C.
Of quantisation of charge
D.
Electric field is a vector
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ANSWER :
A. Electrostatic field is conservative in nature
14.
The concept of electric field lines was introduced by:
A.
Coulomb
B.
Gauss
C.
Newton
D.
Faraday
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ANSWER :
D. Faraday
15.
In a uniform electric field, the field lines are:
A.
Radially outward
B.
Concentric circles
C.
Parallel, equispaced straight lines
D.
Radially inward
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ANSWER :
C. Parallel, equispaced straight lines
16.
Electric field lines around a single positive point charge are:
A.
Closed loops
B.
Parallel straight lines
C.
Radially outward
D.
Radially inward
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ANSWER :
C. Radially outward
17.

For an electric dipole, the field lines:

A.

Start and end on the positive charge

B.

Are parallel straight lines

C.

Originate from the positive charge and terminate on the negative charge

D.

Form closed loops around the charges

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ANSWER :

C. Originate from the positive charge and terminate on the negative charge

18.
The tangent to an electric field line at any point gives:
A.
The potential at that point
B.
The magnitude of electric field at that point
C.
The charge at that point
D.
The direction of electric field at that point
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ANSWER :
D. The direction of electric field at that point
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