Electrostatics: NEET Physics Previous Year Questions

349 previous year questions from Electrostatics. Here are the 25 most important ones; open any question for the correct answer and a full step-by-step solution.

1. $An electric dipole of moment p is lying along a uniform electric field E . The work done in rotating the dipole by 9 0^{o} is$
2. $Consider two charged metallic spheres S_{1} and S_{2} of radii R_{1} and R_{2}, respectively. The electric fields E_{1} (on S_{1}) and E_{2} (on S_{2}) on\dots$
3. $A parallel plate capacitor of capacitance C_{1} with a dielectric slab in between its plates is connected to a battery. It has a potential difference V_{1} across its\dots$
4. $What is the electric potential at a distance of 9 cm from 3 nC ?$
5. $A parallel plate air capacitor has capacity C, distance of separation between plates is D and potential difference V is applied between the plates. Force of attraction be\dots$
6. $Identical charges (-q) are placed at each corners of cube of side b then electrostatic potential energy of charge (+q) which is placed at centre of cube will be$
7. $Two positive point charges of 10 μC and 12 μC are placed 10 cm apart in air. The work done to bring them 6 cm closer is$
8. $A positive charge particle of 100 mg is thrown in opposite direction to a uniform electric field of strength 1 x 1 0^{5} N C^{- 1} . If the charge on the particle is 40µC\dots$
9. $The radius of a soap bubble is r and the surface tension of the soap solution is S. The electric potential to which the soap bubble be raised by charging it so that the p\dots$
10. $The net electric flux due to a uniform electric field of 3 \times 10^{3} 1 NC^{- 1} through a cube of side 20 cm oriented such that its faces ar\dots$
11. $Pick out the statement which is incorrect.$
12. $The electric potential V at any point (x, y, z), all in meters in space is given by V = 4 x^{2} volt. The electric field at the point (1, 0, 2) in volt/meter is:$
13. $An infinitely long thin straight wire has uniform charge density of \frac{1}{4} \times 10^{- 2} Cm^{- 1} . What is the magnitude of electric field at a distance\dots$
14. $A spherical conductor of radius 2 cm is uniformly charged with 3 nC . What is the electric field at a distance of 3 cm from the ce\dots$
15. $A vertical electric field of magnitude 4.9 x 1 0^{5} N/C just prevents a water droplet of a mass 0.1 g from falling. The value of charge on the droplet will be: (Given g\dots$
16. $A particle of mass m and charge q travelling with a velocity v along the x-axis enters a uniform electric field E directed along the y-axis. What will be the trajector\dots$
17. $Inside a charged hollow sphere, at any point the electric field (E) and potential (V) are$
18. $In the uniform electric field of E = 1 \times 10^{4} NC^{- 1}, an electron is accelerated from rest. The velocity of the electron when it has travelled a distanc\dots$
19. $If ϵ_{0} denotes the permittivity of free space and Φ_{E} is the flux of the electric field through the area bounded by the closed surface, then dimensions\dots$
20. $The acceleration of an electron due to the mutual attraction between the electron and a proton when they are 1.6Å apart is, (\dots$
21. $Two metal spheres of radius R and 3R have same surface charge density σ. If they are brought in contact and then separated, the surface charge density on smaller and bigg\dots$
22. $A spherical volume contains a uniformly distributed charge of density 1.0 \times 10^{- 6} C / m^{3} . Find the electrical field (in N / C) at a point inside the volume\dots$
23. $The electric potential at a place is varying as V = \frac{1}{2} (y^{2} - 4 x) volt. Then the electric field at x = 1 m and y = 1 m is$
24. $A block of mass ' m ' and charge ' q ' is connected to a point ' O ' with an inextensible string. This system is on a horizontal table. An electric field (E) is applied p\dots$
25. $A plane electromagnetic wave of frequency 100 MHz is travelling in vacuum along the x- direction. At a particular point in space and time,\dots$

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Electrostatics: NEET Physics Previous Year Questions

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