Explore topic-wise MCQs in Physics.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.

1.

What can be the nature of charges q1 and q2?

A. q1 is positive, q2 is negative
B. q1 is negative, q2 is negative
C. q1 is negative, q2 is positive
D. q1 is positive, q2 is positive
Answer» C. q1 is negative, q2 is positive
Discussion
2.

1 dyne/esu = _____ N/C

A. 3*104
B. 105
C. 3*105
D. 9*104
Answer» B. 105
Discussion
3.

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
Discussion
4.

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
Discussion
5.

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

A. True
B. False
Answer» C.
Discussion
6.

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. -4πR2 N∈
B. 4πR2 N∈
C. \(\frac {4\pi R^2}{N\epsilon}\)
D. –\(\frac {4\pi R^2N}{\epsilon}\)
Answer» C. \(\frac {4\pi R^2}{N\epsilon}\)
Discussion
7.

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.
Discussion
8.

Consider the lines of force as shown in the figure. Two unit positive charges are kept at points A and B.

A. Charge at A will suffer greater force
B. Charge at B will suffer greater force
C. Force at both points will be same but non-zero
D. Force at both points will be the same
Answer» C. Force at both points will be same but non-zero
Discussion
9.

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
Discussion
10.

The electric field lines diverge from _______

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