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 Short Tricks for JEE
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Short tricks for Electric charges: conservation of charge, Coulomb's law forces between two point charges, forces between multiple charges, superposition principle and continuous charge distribution work only with strong fundamentals. Apply the tips below in timed sets and review every explanation.
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Short tricks for speed
Electric charges: conservation of charge, Coulomb's law forces between two point charges, forces between multiple charges, superposition principle and continuous charge distribution focus drill
Solve 15 mixed MCQs for Electric charges: conservation of charge, Coulomb's law forces between two point charges, forces between multiple charges, superposition principle and continuous charge distribution, review every explanation, and note formulas you hesitated on.
Dimensional check first
Before solving, verify each term has consistent SI dimensions — eliminates wrong options quickly in JEE MCQs.
Limiting cases
Substitute extreme values (t→0, m→∞, θ→0) to sanity-check your final expression.
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
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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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