Q1PhysicsUnit 11: Electrostatics
A particle with a charge of 3 coulombs is taken from a point at a potential of 50 V to another point at a potential of Calculate the work done.
Physics · JEE
Electric potential and its calculation for a point charge, electric dipole and system of charges Short Tricks for JEE
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Quick answer
Short tricks for Electric potential and its calculation for a point charge, electric dipole and system of charges 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 potential and its calculation for a point charge, electric dipole and system of charges focus drill
Solve 15 mixed MCQs for Electric potential and its calculation for a point charge, electric dipole and system of charges, 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
Free sample questions
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Q2PhysicsUnit 11: Electrostatics
A charge of is kept at a distance
of from a charge of . Find the two points where the potential is
zero
Q3PhysicsUnit 11: Electrostatics
The electric potential due to a dipole at a point on the perpendicular bisector of its length is :
Q4PhysicsUnit 11: Electrostatics
The potential at a point due to a charge
of C located away is:
Q5PhysicsUnit 11: Electrostatics
Assertion
Positive charge always moves from a higher potential point to lower potential point
Reason
Electric potential is a vector quantity
Q6PhysicsUnit 11: Electrostatics
The work done in bringing a unit positive charge from infinite distance to a point at distance from a positive charge is . Then the potential at that point is:
Q7PhysicsUnit 11: Electrostatics
An equipotential line and a line of force
are:
Q8PhysicsUnit 11: Electrostatics
In the definition of electric potential, the electric potential at infinity is assumed to be
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