Questions by varun

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Each corner A and C has charge `q_1` and on the each corner B and D, has charge `- q_2` of a square ABCD of side `l`. Charge at A is in equilibrium, then the ratio `q_1/q_2` will

asked Mar 20, 2022 in 12th Physics

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The force between two charges `0.06 m` apart is `5 N`. If each charge is moved towards each other by `0.04 m`, then the force between them will

asked Mar 20, 2022 in 12th Physics

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When the charge of a body becomes half, the electric field

asked Mar 20, 2022 in 12th Physics

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Forces exerted by a uniform electric field on an electron having mass `m_e` and proton of mass `m_p` are represented as `F_e and F_p` respectively are related

asked Mar 20, 2022 in 12th Physics

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A positively charged ball hangs from a silk thread. We put a positive test charge `q_o` at a point and measure `F'/'q_o`, then it can be predicted that the electric field strength

asked Mar 20, 2022 in 12th Physics

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In the diagram shown below

asked Mar 20, 2022 in 12th Physics

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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

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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

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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

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

asked Mar 20, 2022 in 12th Physics

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Which of the following is not a property of electric field

asked Mar 20, 2022 in 12th Physics

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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

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Find the correct diagram of electric lines of forces for negative

asked Mar 20, 2022 in 12th Physics

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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

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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

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

asked Mar 20, 2022 in 12th Physics

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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

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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

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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

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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

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