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.

\(\frac {4\pi R^2}{N\epsilon}\)

–\(\frac {4\pi R^2N}{\epsilon}\)

Explore topic-wise MCQs in Physics Questions and Answers.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Physics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.	Two unit positive charges are kept at coordinates (0, 0) and (10, 0). What will be the variation of the electric field with respect to the distance between them?
A.	a)
Answer» E.

Discussion

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

Discussion

3.	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

4.	Field lines due to a positive point charge are _______
A.	a)
Answer» E.

Discussion

Explore topic-wise MCQs in Physics Questions and Answers.

Two unit positive charges are kept at coordinates (0, 0) and (10, 0). What will be the variation of the electric field with respect to the distance between them?

At ‘Electrical Neutral Point’ the lines of force _______

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.

Field lines due to a positive point charge are _______