Recent questions tagged #mcq

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Two unlike charges of the same magnitude `Q` are placed at a distance `d`. The intensity of the electric field at the centre of the line joining the two charges,

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

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Two point charges `+8 q and -2q` are located at `x=0 and x=L`, respectively. The location of a point on the X-axis at which the net electric field due to these two point charges is zero,

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

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Figure below show regular hexagons, with charges at the vertices. In which case, the electric field at the centre

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

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A charged particle is free to move in an electric field. It will

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

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Which of the following is not a property of electric field

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

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The figure shows some of the electric field lines corresponding to an electric field. The figure

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

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Find the correct diagram of electric lines of forces for negative

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

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An electron enters uniform electric field maintained by parallel plates and of value `E V m ^(-1)` with a velocity `v ms^(-1)`, the plates are separated by a distance d metre, then acceleration of the electron in the field is , . Ee x -

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

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The given figure shows tracks of three charged particles in a uniform electrostatic field. Which particle has the highest charge to mass

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

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Charges `± 20 nC` are separated by `5 mm`. Calculate the magnitude of dipole

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

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Electric charges `q, q ,-2q` are placed at the corners of an equilateral `Delta ABC` of side `l`. The magnitude of electric dipole moment of the system

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

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What is the angle between the electric dipole moment and the electric field strength due to it on the equatorial

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

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Let `E_a` be the electric field due to a dipole in its axial plane distant `l` and let `E_q` be the field in the equatorial plane distant `l`, then the relation between `E_a and E_q` will

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

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An electric dipole with dipole moment `4 xx 10^(-9)C-m` is aligned at 30° with the direction of a uniform electric field of magnitude `5 xx 10^4` N/C. Calculate the magnitude of the torque acting on the

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

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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 by varun (6.7k points)

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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 by varun (6.7k points)

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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 by varun (6.7k points)

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

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

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

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Flux coming out from a unit positive charge enclosed in air

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

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