Q1PhysicsUnit 11: Electrostatics
A charged body is brought near a positively charged gold leaf electroscopes. The divergence of its leaves increases.What is the kind of
charge on the body?
Physics · JEE
Electric charges: conservation of charge, Coulomb's law forces between two point charges, forces between multiple charges, superposition principle and continuous charge distribution Concepts for JEE
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Build clear conceptual foundations for Electric charges: conservation of charge, Coulomb's law forces between two point charges, forces between multiple charges, superposition principle and continuous charge distribution before speed practice. This guide covers what JEE expects and how to test yourself with MCQs.
Concept explainer
Electric charges: conservation of charge, Coulomb's law forces between two point charges, forces between multiple charges, superposition principle and continuous charge distribution is a core JEE Main Physics subtopic under Electrostatics. Master the definitions, standard results, and typical MCQ patterns tested in JEE Main and Advanced.
Key points
- Understand the definition and scope of Electric charges: conservation of charge, Coulomb's law forces between two point charges, forces between multiple charges, superposition principle and continuous charge distribution in the JEE syllabus
- Memorise key formulas and standard results linked to Electric charges: conservation of charge, Coulomb's law forces between two point charges, forces between multiple charges, superposition principle and continuous charge distribution
- Practise 20–40 syllabus-aligned MCQs with step-by-step solutions
JEE tips
- Revise Electric charges: conservation of charge, Coulomb's law forces between two point charges, forces between multiple charges, superposition principle and continuous charge distribution with a one-page formula sheet before attempting mixed tests
- After each practice set, log mistakes specific to Electric charges: conservation of charge, Coulomb's law forces between two point charges, forces between multiple charges, superposition principle and continuous charge distribution and reattempt after 48 hours
Common trap
Students often rush Electric charges: conservation of charge, Coulomb's law forces between two point charges, forces between multiple charges, superposition principle and continuous charge distribution questions without checking units, sign conventions, or boundary conditions — always verify assumptions before calculating.
Syllabus context
Part of Electrostatics in JEE Main Physics.
- Electric charges: conservation of charge, Coulomb's law forces between two point charges, forces between multiple charges, superposition principle and continuous charge distribution
- Electric field: electric field due to a point charge, electric field lines, electric dipole, electric field due to a dipole, torque on a dipole in a uniform electric field
- Electric flux, Gauss's law and its applications to find field due to infinitely long uniformly charged straight wire, uniformly charged infinite plane sheet and uniformly charged thin spherical shell
- Electric potential and its calculation for a point charge, electric dipole and system of charges
- Potential difference, equipotential surfaces, electrical potential energy of a system of two point charges and of electric dipole in an electrostatic field
- Conductors and insulators, dielectrics and electric polarization
- Capacitors and capacitance, the combination of capacitors in series and parallel
- Capacitance of a parallel plate capacitor with and without dielectric medium between the plates, energy stored in a capacitor
Free sample questions
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Q2PhysicsUnit 11: Electrostatics
Rub a glass rod with a piece of silk. What happens?
Q3PhysicsUnit 11: Electrostatics
the anode is kept at positive potential
with respect to the cathode.
Q4PhysicsUnit 11: Electrostatics
was the first to discover
that lightning is electric discharge.
Q5PhysicsUnit 11: Electrostatics
A gold leaf electroscope is given a positive charge so that its leaves diverge. How is the divergence of leaves affected, when a positively charged rod is brought near its disc?
Q6PhysicsUnit 11: Electrostatics
The force between two electrons when
placedair is equal to 0.5 times the weight of an electrons find the distance between two electrons (masselectron
Q7PhysicsUnit 11: Electrostatics
Lightning is nothing but
Q8PhysicsUnit 11: Electrostatics
Which of the following statements is
correct?
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