HARD
12th Bihar Board
IMPORTANT
Earn 100

Write down unit and dimension of permittivity of free space.

Important Questions on Electric Charges and Fields

HARD
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Electric Charges and Fields>Bihar Board-2018>Q 6
A Gaussian surface contains three charges -q, +2q and -q. Evaluate net electric flux through the surface.
HARD
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Electric Charges and Fields>Bihar Board-2018>Q 7
Atmosphere is not electrically neutral. Explain why?
EASY
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Electric Charges and Fields>Bihar Board-2019>Q 8
Unit of surface charge density is -
EASY
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Electric Charges and Fields>Bihar Board-2019>Q 9
The current flowing in a wire is 1 A. If the charge of an electron is 1.6×10-19 C, then the number of electrons flowing through the wire per second is-
EASY
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Electric Charges and Fields>Bihar Board-2019>Q 10
If +q charged is placed inside any spherical surface total flux coming out from whole surface will be-
EASY
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Electric Charges and Fields>Bihar Board-2019>Q 11
Define electric flux. Write its SI unit.
EASY
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Electric Charges and Fields>Bihar Board-2019>Q 12
Define flux of electric field on a surface.
EASY
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Electric Charges and Fields>Bihar Board-2020>Q 13
Dimension of charge is