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Charge on a body is `q_1` and it is used to charge another body by induction. Charge on second body is found to be `q_2` after charging,

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Force (F ) between two charges varies with distance (r) between them

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The unit of electrical permittivity

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The force of interaction between two charges `q_1 = 6 muC and q_2= 2 muC` is `12 N`. If charge `q =-2 muC` is added to each of the charges, then the new force of interaction

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

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A charge `q` is placed at the centre of the line joining two equal charges `Q and Q`. The system of the three charges will be in equilibrium, if `q` is equal

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Two point charges `A and B`, having charges `+Q and -Q` respectively, are placed at certain distance apart and force acting between them is `F` . If 25% charge of A is transferred to B, then force between the charges

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Two particles of equal mass `m` and charge `q` are placed at a distance of 16 cm. They do not experience any force. The value of `q/m`

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Two point charges placed at a certain distance `r` in air exert a force `F` on each other. Then, the distance `r'` at which these charges will exert the same force in a medium of dielectric constant `K` is given

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An object A has a charge of `-2muC` and the object B has a charge of `+6 muC`. Which of the following is

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Electric charges of `1muC, - 1muC and 2muC` are placed in air at the corners A, B and C respectively of an equilateral triangle ABC having length of each side 10 cm. The resultant force on the charge at C

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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

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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

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

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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

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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

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In the diagram shown below

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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,

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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,

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

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

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