Explore topic-wise MCQs in Physics.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.

1.

1 dyne/esu = _____ N/C

A. 3*10<sup>4</sup>
B. 10<sup>5</sup>
C. 3*10<sup>5</sup>
D. 9*10<sup>4</sup>
Answer» B. 10<sup>5</sup>
2.

At Electrical Neutral Point the lines of force _______

A. Are absent
B. Coincide with each other
C. Always converge
D. Always diverge
Answer» B. Coincide with each other
3.

Which among the following is false about electric field lines?

A. They are continuous
B. They attract each other
C. They remain parallel in a uniform electric field
D. They diverge from positive charge
Answer» C. They remain parallel in a uniform electric field
4.

A field line can diverge from and converge at the same conductor. The statement is _____

A. True
B. False
Answer» C.
5.

It is observed that N number of field lines come out perpendicularly from the unit surface area of the sphere. What is the amount of charge inside the sphere? is the dielectric constant of the medium.

A. -4 R<sup>2</sup> N
B. 4 R<sup>2</sup> N
C. ( frac {4 pi R^2}{N epsilon} )
D. ( frac {4 pi R^2N}{ epsilon} )
Answer» C. ( frac {4 pi R^2}{N epsilon} )
6.

Two plates are oppositely charged uniformly and kept parallel to each other at a certain distance. What will be the nature of electric field lines in between them?

A. Circular
B. Parallel to each other throughout the cross section
C. Not uniformly distributed
D. Parallel and uniform in central part but fringes out at the extreme ends
Answer» E.
7.

Two electric field lines ______

A. Always intersect each other
B. Never intersect
C. May intersect sometimes
D. Are always perpendicular to each other
Answer» C. May intersect sometimes
8.

The electric field lines diverge from _______

A. Positive charge
B. Negative charge
C. Dipole
D. Zero potential point
Answer» B. Negative charge