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1.
Two spherical conductors each of capacity C are charged to potential V and -V. These are then connected by means of a fine wire. The loss of energy is
2.
A capacitor has some dielectric between its plates, and the capacitor is connected to a dc source. The battery is now disconnected and then the dielectric is removed, then
3.
Two identical capacitors are joined in parallel, charged to a potential V, separated and then connected in series, the positive plate of one is connected to the negative of the other. Which of the following is true?
4.
A parallel plate air capacitor is charged to a potential difference of V volts. After disconnecting the charging battery the distance between the plates of the capacitor is increased using an insulating handle. As a result the potential difference between the plates
5.
In a parallel plate capacitor, the capacity increases if
6.
When air is replaced by a dielectric medium of constant K, the maximum force of attraction between two charges separated by a distance
7.
Dielectric constant for a metal is
8.
Which of the following statements is false for a perfect conductor?
9.
In a region of constant potential
10.
A test charge is moved from lower potential point to a higher potential point. The potential energy of test charge will