Q1PhysicsUnit 11: Electrostatics
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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 Short Tricks for JEE
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Quick answer
Short tricks for 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 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 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 focus drill
Solve 15 mixed MCQs for 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, 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
Attempt 8 free MCQs for 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. Unlock 12+ more with Pro.
Q2PhysicsUnit 11: Electrostatics
A thick shell with inner radius and
outer radius has a uniform charge
density It has a spherical cavity of radius as shown in the figure. the
electric field at the centre of the cavity is
Q3PhysicsUnit 11: Electrostatics
An electric dipole is placed in a non
uniform electric field increasing along the
ve direction of - axis. The dipole
moves along and rotates
Q4PhysicsUnit 11: Electrostatics
A ball of radius R carries a positive charge whose volume charge density depends only on the distance r from the ball's centre as: where
is constant. Assume as the
permittivity of the ball.
Then the magnitude of the electric field as a function of the distance r outside
the ball is given by :
Q5PhysicsUnit 11: Electrostatics
A free electron in an electric field
Q6PhysicsUnit 11: Electrostatics
Electric intensity due to an electric dipole varies with distance as where 'n"
is
Q7PhysicsUnit 11: Electrostatics
There exists a non-uniform electric field
along -axis as shown in the figure
below. The field increases at a uniform
rate along +ve x-axis. A dipole is placed inside the field as shown.Which one of
the following is correct for the dipole?
Q8PhysicsUnit 11: Electrostatics
A red LED emits light at uniformly around it. The amplitude of the electric filed of the light at a
distance of form the diode is:
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Frequently asked questions
Are short tricks enough for 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 in JEE?
No — tricks complement concepts. Master the theory first, then use shortcuts in timed MCQ practice.
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