1. When a dielectric slab is introduced between the plates of a parallel plate capacitor which remains connected to a battery then charge on the plates relative to earlier charge is :
2. Choose the vector physical quantity:
3. The surface density of charge is measure:
4. A polythene piece rubbed with wool is found to have a negative charge of 6.4 × 10-9c. How many electrons have been transferred during the process?
5. In the above question:
6. In previous question, mass transferred to polythene is:
7. What is the number of electrons in 100 g water?
8. A uniform electric field of 10 NC-1 exists in the vertically downward direction. What is the increase in the electric potential asonegoes up through a height of 300 cm?
9. The electric potential of earth is taken as:
10. A dielectric is placed in between the two parallel plates of a capacitor as shown in the figure. The dielectric constant of the dielectric being K. If the initial capacity is C, then the new capacity will be:
