20- JEE Advanced Physics PYQs🔥| ELECTROSTATICS | Electric Charges, Field and Potential PYQs

Описание: 1. Consider a neutral conducting sphere
2. A long, hollow conducting cylinder is kept coaxially inside another long,
3. A spherical portion has been removed from a solid sphere having a
4. Positive and negative point charges of equal magnitude are kept at
5. Consider a system of three charges
6. Three concentric metallic spherical shells of radii R,2R,3R, are given charges
7. A disk of radius of a/4 having a uniformly distributed charge
8. A tiny spherical oil drop carrying a net charge q
9. A uniformly charged thin spherical shell of radius R
10. Consider an electric field
11. Two large vertical and parallel metal plates having a separation of 1 cm are connected
12. Consider a thin spherical shell of radius R with its centre at the origin, carrying uniform positive
13. Let E1(r),E2(r) and E3(r) be the respective electric fields at a distance r from a point charge Q,
14. Charges Q,2Q and 4Q are uniformly distributed in three dielectric solid spheres 1,2
15. A thin spherical insulating shell of radius R carries a uniformly distributed charge such that the
16. Under the influence of the Electric field of charge +Q, a charge -q is moving around it in an elliptical orbit. Find out the correct statement
17. Under the influence of the Electric field of charge +Q, a charge -q is moving around it in an elliptical orbit. Find out the correct statement
18. A spherical metal shell A of radius RA and a solid metal sphere B of radius
19. Which of the following statement(s) is/are correct
20. A cubical region of side a has its centre at the origin. It encloses three fixed point charges
21. Six point charges are kept at the vertices of a regular hexagon of side L and centre O
22. Two non-conducting solid spheres of radii R and 2R, having uniform volume charge densities
23. Two non-conducting spheres of radii R1 and R2 and carrying uniform volume charge densities
24. The figures below depict two situations in which two infinitely long static line charges of
25. Consider a uniform spherical charge distribution of radius R1 centred at the origin O.
26. A point charge +Q is placed just outside an imaginary . hemispherical surface of radius R
27. An infinitely long thin non-conducting wire is parallel to the z-axis and carries a uniform line charge
28. A charged shell of radius R carries a total charge Q. Given as the flux of electric field through a closed cylindrical surface of height h

29. An electric dipole with dipole moment
30. A uniform electric field,
31. Shown in the figure is a semicircular metallic strip that has thickness t and resistivity p.
32. Two identical non-conducting solid spheres of same mass and charge are suspended in air from
33. Six charges are placed around a regular hexagon of side length a as shown in the figure. Five of them
34. In the figure, the inner (shaded) region A represents a sphere of radius
35. A disk of radius R with uniform positive charge density is placed on the xy plane with its center at
36. STATEMENT-1 : For practical purposes, the earth is used as a reference at zero potential in electrical circuits
37. Column-I gives certain situations in which a straight metallic wire of resistance R is used
38. Six point charges, each of the same magnitude q, are arranged in different manners as shown in
39. Four charges Q1,Q2,Q3 and Q4 of same magnitude are fixed along the x-axis at
401. The electric field E is measured at a point P(0,0,d) generated due to various charge distributions
41. The electric field at r=R is :
42. For a=0, the value of d (maximum value of as shown in the figure) is :
43. The electric field within the nucleus is generally observed to be linearly dependent on r
44. Taking the electronic charge as e and the permittivity as 0, use dimensional analysis to 45. determine the correct expression for
45. Estimate the wavelength at which plasma reflection will occur for a metal having the density
46. The value of R is meter.
47. The value of b is meter.
48. A solid sphere of radius R has a charge Q distributed in its volume
49. Four point charges, each of +q, are rigidly fixed at the four corners
50. An infinitely long solid cylinder of radius R has a uniform volume charge density
51. An infinitely long uniform line charge distribution of charge per unit length lies parallel to the y-axis
52. A particle, of mass 10-3 kg and charge 1.0C, is initially at rest. At time t=0
53. One end of a spring of negligible unstretched length and spring constant k is fixed at the origin (0,0).
54. A circular dise of radius R carries surface charge density
55. A point charge q of mass m is suspended vertically by a string of length. A point dipole of dipole
56. Two large circular discs separated by a distance of 0.01 m are connected to a battery via a switch as
57. A charge q is surrounded by a closed surface consisting of an inverted cone of height h and base radius

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