Preparing for the Joint Entrance Exam (JEE) can be a daunting task. With so many subjects to cover and so many topics to study, it can be challenging to know where to start. One essential topic in the JEE Mains syllabus is the Electric Charges and Fields. In this article, we will provide 50+ MCQ questions on the Electric Charges and Fields, along with detailed solutions to help you prepare for the JEE Mains exam.
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These 50+ MCQ questions are selected by the experts of studyrate.in and these are more difficult questions, which will help you to better understand Electric Charges and Fields JEE Mains MCQ Questions with Answers.
Electric Charges and Fields JEE Mains MCQ
Electric charge is a:
a) Vector quantity
b) Scalar quantity
c) Both a vector and scalar quantity
d) None of the above
The SI unit of electric charge is:
a) Ampere
b) Volt
c) Coulomb
d) Ohm
According to Coulomb’s law, the force between two point charges is directly proportional to the:
a) Product of the charges
b) Square of the distance between the charges
c) Inverse of the permittivity of the medium
d) All of the above
The force between two charges is doubled when the distance between them is halved. The relationship between the force (F) and distance (r) is:
a) F ∝ r
b) F ∝ 1/r
c) F ∝ r²
d) F ∝ 1/r²
An electric field is:
a) A region in space where electric charge is present
b) A region in space where electric force is exerted on charged objects
c) A region in space where electric potential is zero
d) A region in space where electric current flows
The direction of the electric field is the direction of the force experienced by a:
a) Positive test charge
b) Negative test charge
c) Neutral test charge
d) All of the above
The electric field lines:
a) Always point towards a positive charge
b) Always point away from a positive charge
c) Are parallel to the electric field
d) None of the above
The electric field due to a point charge decreases with:
a) Increasing distance from the charge
b) Decreasing distance from the charge
c) Increasing magnitude of the charge
d) Decreasing magnitude of the charge
The electric field inside a conductor is:
a) Zero
b) Non-zero
c) Depends on the shape of the conductor
d) Depends on the charge on the conductor
Gauss’s law relates the electric flux through a closed surface to the:
a) Charge enclosed by the surface
b) Electric potential on the surface
c) Electric field on the surface
d) Permittivity of the medium
The electric field due to a uniformly charged infinite plane sheet is:
a) Constant throughout space
b) Zero inside the sheet
c) Maximum at the edges of the sheet
d) Maximum in the center of the sheet
The work done in bringing a test charge from infinity to a point in an electric field is equal to the change in:
a) Electric potential energy
b) Electric field strength
c) Electric force
d) Electric flux
The potential difference between two points in an electric field is equal to the work done in:
a) Moving a test charge between the points
b) Measuring the electric field at the points
c) Creating an electric field between the points
d) None of the above
The SI unit of electric potential is:
a) Volt
b) Ampere
c) Coulomb
d) Ohm
The equipotential surfaces are always:
a) Parallel to each other
b) Perpendicular to each other
c) Concentric spheres around a point charge
d) All of the above
The electric potential inside a hollow conducting sphere carrying a charge is:
a) Zero
b) Non-zero
c) Maximum at the center of the sphere
d) Maximum at the surface of the sphere
An electric dipole consists of:
a) Two positive charges
b) Two negative charges
c) A positive charge and a negative charge
d) A positive charge and a neutral charge
The electric field at the axial point of an electric dipole is:
a) Zero
b) Maximum
c) Minimum
d) Cannot be determined
The torque experienced by an electric dipole in an electric field is maximum when the dipole is:
a) Aligned with the electric field
b) Perpendicular to the electric field
c) At an angle of 45 degrees to the electric field
d) None of the above
The capacitance of a capacitor depends on:
a) The area of the plates
b) The distance between the plates
c) The dielectric constant of the material between the plates
d) All of the above
The SI unit of capacitance is:
a) Farad
b) Ohm
c) Volt
d) Ampere
The capacitance of a parallel-plate capacitor is given by:
a) C = Q/V
b) C = V/Q
c) C = Qd/V
d) C = ε₀A/d
The energy stored in a capacitor is given by:
a) U = 1/2CV²
b) U = 1/2QV
c) U = 1/2Q²/C
d) U = 1/2CV
The dielectric constant of a material is a measure of its:
a) Conductivity
b) Permittivity
c) Resistance
d) Capacitance
When a dielectric material is inserted between the plates of a capacitor, the capacitance:
a) Increases
b) Decreases
c) Remains the same
d) Depends on the voltage applied
The phenomenon of dielectric breakdown occurs when:
a) The voltage across a capacitor exceeds its maximum limit
b) The dielectric material between the plates of a capacitor breaks down due to excessive electric field
c) The capacitor discharges all its stored energy suddenly
d) None of the above
The electric field inside a conductor in electrostatic equilibrium is:
a) Zero
b) Non-zero
c) Maximum at the surface of the conductor
d) Maximum inside the conductor
The potential gradient inside a conductor in electrostatic equilibrium is:
a) Zero
b) Maximum at the surface of the conductor
c) Maximum inside the conductor
d) None of the above
The process of transferring charge to a conductor by bringing it in contact with a charged object is called:
a) Charging by induction
b) Charging by friction
c) Charging by conduction
d) None of the above
When a glass rod is rubbed with silk, the glass rod becomes:
a) Positively charged
b) Negatively charged
c) Uncharged
d) None of the above
We hope there JEE MCQ of Class 12 Electric Charges and Fields will help you to score an excellent rank in JEE Mains and Advanced. If you have any queries feel free to write in the comments section. We at Study Rate are always ready to serve our students.
