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

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A charge `Q` is placed at the origin. The electric potential due to this charge at a given point in space is `V`. The work done by an external force in bringing another charge `q` from infinity upto the point

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

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If `100 J` of work has to be done in moving an electric charge of `4C` from a place, where potential is `- 10V` to another place where potential is `V` volt, find the value of

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

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The electric potential due to point charge `3nC` at distance of 9 cm

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

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A metallic hollow spherical surface of radius 5 cm is charged such that the potential on its surface is `10 V`. The potential at the centre

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

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The potential of a large liquid drop when eight liquid drops are combined is `20V` , then the potential of each single drop

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

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The potential of an electric dipole varies with distance `r`

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

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The potential in the equatorial plane of a dipole having dipole moment `p`

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

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Two equal and opposite charges `[+q and —q)` are situated at a distance `x` from each other. The value of potential at very far point will depend

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

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A ,B and C are three points in a uniform electric field, the electric potential

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

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The electrostatic potential energy between proton and electron separated by a distance of `1 A^o`

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

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The electric potential of earth is taken to be zero, because earth is a

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

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Suppose a system of two charges as shown below placed in an external electric field`E =A(1/r^2)`, where `A=9 xx 10^5 C'/'m^2`What would be the electrostatic energy of the

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

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An electric field of 1000 V/m is applied to an electric dipole at angle of 45°. The value of electric dipole moment is `10^(-29) C-m`. What is the potential energy of the electric

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

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If a conductor has a potential `V!=0` and there are no charges anywhere else outside,

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

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The graph shows the variation of voltage `V` across the plates of two capacitors `A and B` versus increase of charge `Q` stored in them. Which of the capacitors has higher capacitance

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

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Two plates of capacitors are at potentials `-10 V and +30 V`. If the separation between the plates be 2m, the electric field between them

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

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The electric potential difference between two parallel plates is `2000 V`. If the plates are separated by `2 mm`, then what is the magnitude of electrostatic force on a charge of `4 xx 10^(-6)C` located mid-way between the

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

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A parallel plate capacitor has circular plates of radius 8 cm and plate separation 1 mm. The charge on the plates, if potential difference of `100 V` applied

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

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An air capacitor is charged with an amount of charge `q` and dipped into an oil tank. If the oil is pumped out, the electric field between the plates of capacitor

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

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