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A Charge q is placed at the centre of the open end of cylindrical vessel. The flux of theelectric field through the surface of the vessel is

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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The inward and outward electric flux for a closed surface in units of `Nm^2` /C are respectively `8 xx10^3` and `4 xx10^3` . Then the total charge inside the surface is ...........

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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A sphere of radius R has a uniform distribution of electric charge in its volume. At adistance x from its centre, (for x < R), the electric field is directly proportional to

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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The electric flux for gaussian surface A that enclose the chrged particles in free space is ............. (given `q_1 = –14nc, q_2 = 78.85 nc, q_3 =

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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A hollow cylinder has a charge q coulomb within it. If `phi` is the electric flux in units of voltmeter associated with the curved surface B, the flux linked with the plane surface A in units of volt-meter will be

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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An infinitly long thin straight wire has uniform linear charge density of `1/3` c/m . Then, the magnitude of the electric intiensity at a point 18 cm away is .......... `NC^(–1)`

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Two points are at distances a and `b (a < b)` from a long string of charge per unit length `lambda`.The potential difference between the points in proportional to

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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A long string with a charge of `lambda` per unit length passes through an imaginary cube of edge `l`. The maximum possible flux of the electric field through the cube will be

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Two Points P and Q are maintained at the Potentials of 10 v and –4 v, respectively. Thework done in moving 100 electrons from P to Q is

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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The electric Potential V at any Point o (x, y, z all in metres) in space is given by `V = 4x^2` volt. The electric field at the point (1m, 0.2m) in volt/metre is

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Charges of `+ 10/3xx10^(-19) C` are placed at each of the four corners of a square of side 8cm. The potential at the intersection of the diagonals is

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Three charges 2q, –q, –q are located at the vertices of an equilateral triangle. At the centre of the

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In the electric field of a point charge q, a certain charge is carried from point A to B, C, D and E. Then the work done

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Three concentric spherical shells have radii a, b and c (a < b < c) and have surface charge densities σ, – σ and σ respectively. If `V_A , V_B` and `V_C` denote the Potentials of the three shells, then for c = a + b, we

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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The electric Potential at a point P (x, y, z) is given by `V = –x^2y – xz^3 + 4` The electric field `vecE` at that point is

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Three particles, each having a charge of 10µc are placed at the corners of an equilateral triangle of side 10 cm. The electrostatic potential energy of the system is (Given `1/(4piepsilon_o) = 9 × 10^9 N.m^2' /'c^2`)

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Four equal charges Q are placed at the four corners of a square of each side is ‘a’. Workdone in removing a charge - Q from its centre to infinity is

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Two charged spheres of radii R1 and R2 having equal surface charge density. The ratio of their potential is

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Two equal charges q are placed at a distance of 2a and a third charge -2q is placed at the midpoint. The potential energy of the system is

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Two point charges 100µc and 5µc are placed at points A and B respectively with AB = 40 cm. The work done by external force in displacing the charge 5µc from B to C where BC = 30 cm, angle `ABC = pi/ 2` and `1/(4piepsilon_o)=9xx 10^9 Nm^2' /'c^2`

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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