Electrostatics deals with the charges at rest. Charge of a material body or particle is the property due to which it produces and experiences electrical and magnetic effects. Some of the naturally occurring charged particles are electrons, protons etc. Unit of charge is Coulomb.
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Electrostatics Formulas for JEE
1. Coulombs force between two-point charges
Here k= 1/4ΟΞ΅0 = 9 x 109 Nm2/C2
q1 and q2 are the charges separated by a distance r
2. Electric field
The electric field at a distance r from the charge q
3. Electric field Intensity
Where F is the force on the charge q due to the electric field E
4. Electrostatic Energy
q1,q2 are the charges
r is the distance between the charges
5. Electric Potential
6. Electric dipole moment
It is the product of a charge (q) and the distance between the two charges (d)
7. Potential of a dipole
8. Field of a dipole
9. Torque on a dipole placed in the electric field
10. Potential energy of a dipole
Electrostatics β Electric Field Lines and Electric Flux

Electrostatics β Electric Field and Electric Dipole

Top 10 Important Questions of Electrostatic Potential and Capacitance

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