Embibe Experts Solutions for Chapter: Electric Charges and Fields, Exercise 1: Punjab Board-2018

Why two electric lines of force/field cannot intersect each otheq?

State "Coulomb's law, explain its vector form and define S.I unit of electric charge. State two limitations of Coulomb's law.

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.

_____ Law of magnetism establishes that monopoles do not exist.

How many electrons are present in $1$(one) Coulomb of electric charge?

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