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A `5.0 muF` capacitor is charged to a potential difference of `800 V` and discharged through a conductor. The energy given to the conductor during the discharge

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

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If the charge on each plate of a capacitor of `60 muF` is `3 xx 10^(-8)C`, then energy stored in the capacitor will

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

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The energy required to charge a parallel plate condenser of plate separation `d` and plate area of cross-section A such that the uniform electric field between the plates `E`

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

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The potential energy of a charged parallel plate capacitor is `U_0`. If a slab of dielectric constant `K` is inserted between the plates, then new potential energy will

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

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Two condensers `C_1 and C_2` in a circuit are joined as shown in figure. The potential of point A is `V_1` and that of B is `V_2` . The potential of point `D` will

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

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Two identical capacitors, have the same capacitance C. One of them is charged to potential `V_1` and the other to `V_2`. Likely charged plates are then connected. Then the decrease in energy of the combined system

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

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Two identical capacitors each of capacitance `5 muF` are charged to potentials `2 kV and 1 kV`, respectively and their negative ends are connected together. When the positive ends are also connected together, the loss of energy of the system

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

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A capacitor is charged by a battery, the battery is removed and another identical uncharged capacitor is connected in parallel. The total electrostatic energy of resulting

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The physical quantity having SI unit `NC^(-1)m` is

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A proton released from rest in an electric field, will start moving towards a region of............potential in the

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Equipotential surface due to a point charge is

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Electrostatic potential energy is stored when a dipole is placed in the electric field. The energy is maximum at .........

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A dielectric induces....... in an external electric field which decreases the net electric

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Choose the incorrect statement. Equipotential

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The electrostatic potential on the surface of a charged conducting sphere is `100V`. Two statements are made in this regard `S_1` at any point inside the sphere, electric intensity is zero. `S_2` at any point inside the sphere, the electrostatic potential is `100V`. Which of the following is a correct

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

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Match the Column I (potential) with Column II (value) for electric potential at different points `P_1, P_2, P_3 and P_4` as shown in the figure with respect to an electric dipole.Each points `P_1, P_2, P_3 and P_4` are equal distance r from mid-point `O` of dipole. Column I Column II A. `V_1` p. 0 B. `V_2` q. `p/(4sqrt2pi epsilon_0r^2)` C. `V_3` r. `(-p)/(4piepsilon_0r^2)` D. `V_4` s. `p/(4pi epsilon_0r^2)`

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

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A parallel plate capacitor is charged by a battery which is then disconnected. A dielectric slab is then inserted to fill the space between the plates. Match the changes that could occur with Column II. Column I Column II A. Charge on the capacitor plates p. Decrease by a factor of K B. Intensity of electric field q. Increase by a factor of K C. Energy stored r. Remains same D. Capacitance s. None

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

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Match the Column I (energy of capacitor) with Column II (value) and select the correct answer from the codes given below. A capacitor `C_1` of capacitance C is charged to a potential difference `V_0`. The terminals of the charged capacitor are then connected to an uncharged capacitor `C_2` of capacitance C/2. Column I Column II A. Final energy of capacitor `C_1` p.`-(1'/'6) CV_0^2` B. Final energy of capacitor `C_2` q.`(1'/'6) CV_0^2` C. Final energy of the system r. `(1'/'3) CV_0^2` D. Change in energy on joining the

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

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Assertion: Due to two point charges, electrical field and electric potential cannot be zero at same point simultaneously. Reason: Field is a vector quantity and potential a scalar

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

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Assertion: An electron moves from a region of lower potential to a region of higher potential. Reason: An electron has a negative

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