Questions by varun

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The dipole moment of a dipole in an uniform external field `E` is p, then the torque `(tau)` acting on the dipole

asked Mar 20, 2022 in 12th Physics

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An electric dipole is placed in an uniform electric field with the dipole axis making an angle `theta` with the direction of the electric field. The orientation of the dipole for stable equilibrium

asked Mar 20, 2022 in 12th Physics

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Electric flux emanating through a surface element `dS = 5hati` placed in an electric field `E=4hati + 4hatj + 4hatk`

asked Mar 20, 2022 in 12th Physics

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What is the nature of gaussian surface involved in Gauss’s law of

asked Mar 20, 2022 in 12th Physics

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The gaussian surface for calculating the electric field due to a charge distribution

asked Mar 20, 2022 in 12th Physics

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Flux coming out from a unit positive charge enclosed in air

asked Mar 20, 2022 in 12th Physics

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A point charge `+10muC` is at a distance `5 cm` directly above the centre of a square of side 10 cm, as shown in Figure. What is the magnitude of the electric flux through the

asked Mar 20, 2022 in 12th Physics

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Eight dipoles of charges of magnitude e each are placed inside a cube. The total electric flux coming out of the cube will

asked Mar 20, 2022 in 12th Physics

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Two parallel infinite line charges `+ lambda and -lambda` are placed with a separation distance R in free space. The net electric field exactly mid-way between the two line charges

asked Mar 20, 2022 in 12th Physics

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Two plates each having an area A are kept parallel to each other at a short distance `d`. They carry charges `+Q and -Q` respectively. The electric field in the space between the plates will

asked Mar 20, 2022 in 12th Physics

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An infinite line charge produces a Field of `18 xx 10^4` N/C at `0.02 m`. The linear charge density

asked Mar 20, 2022 in 12th Physics

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A long cylindrical wire carries a positive charge of linear density `lambda. An electron `(-e, m)` revolves around it in a circular path under the influence of the attractive electrostatic force The speed of electron

asked Mar 20, 2022 in 12th Physics

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Electrification by rubbing two bodies together is due to transference of ............from one body to the

asked Mar 20, 2022 in 12th Physics

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The point charges each equal to 1C exert a force ............mutually when they are placed lm apart in

asked Mar 20, 2022 in 12th Physics

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Two spheres have their surface charge densities in the ratio of 2 : 3 and their radii 3 : 2. The ratio of the charges on them i s

asked Mar 20, 2022 in 12th Physics

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An electric charge `q` is placed at one of the corners of a cube of side `a`. The electric flux on one of its faces will

asked Mar 20, 2022 in 12th Physics

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According the Gauss’s theorem, electric field of an infinitely long straight wire is inversely proportional to

asked Mar 20, 2022 in 12th Physics

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Which of the following statement(s) is/are incorrect regarding the point

asked Mar 20, 2022 in 12th Physics

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The spatial distribution of the electric field due to charges (A, B) is shown in figure. Which one of the following statements is

asked Mar 20, 2022 in 12th Physics

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Match the Column I (electric lines of force) with Column II (types of charge) and select the correct answer from the codes given below. Column I Column II A. p.A pair of equal and opposite charges B. q. A pair of positive charges C. r. A single positive charge D. s. A single negative charge

asked Mar 20, 2022 in 12th Physics

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