MEDIUM
12th Punjab Board
IMPORTANT
Earn 100

Derive an expression for the torque acting on an electric dipole placed at an angle θ with the direction of uniform electric field.

Important Questions on Electric Charges and Fields

EASY
12th Punjab Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Electric Charges and Fields>Punjab Board-2018>Q 1
Why two electric lines of force/field cannot intersect each otheq?
MEDIUM
12th Punjab Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Electric Charges and Fields>Punjab Board-2018>Q 2
State "Coulomb's law, explain its vector form and define S.I unit of electric charge. State two limitations of Coulomb's law.
HARD
12th Punjab Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Electric Charges and Fields>Punjab Board-2018>Q 3
State Gauss's theorem. With the help of the diagram, derive an expression for the
electric field intensity due to uniformly charged thin spherical shell at a point (i) outside (ii) inside (iii) on the surface of the spherical shell.
EASY
12th Punjab Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Electric Charges and Fields>Punjab Board-2019>Q 4

_____ Law of magnetism establishes that monopoles do not exist.

EASY
12th Punjab Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Electric Charges and Fields>Punjab Board-2019>Q 5
How many electrons are present in 1(one) Coulomb of electric charge?
MEDIUM
12th Punjab Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Electric Charges and Fields>Punjab Board-2019>Q 6
Derive an expression for the torque acting on an electric dipole placed at an angle θ with the direction of uniform electric field.