
When a capacitor of value 200 µF charged to 200V is discharged separately through resistance of 2 ohms and 8 ohms, then heat produced in joule will respectively be:
4 and 16
16 and 4
4 and 8


Important Questions on Capacitance
The potential to which a conductor is raised, depends on :-

The charge q on a capacitor varies with voltage as shown in figure. The area of the triangle AOB represents :



A parallel plate capacitor has rectangular plates of 400 cm2 area and are separated by a distance of 2 mm with air as the medium. What charge will appear on the plates if a 200 volt potential difference is applied across the capacitor ?

There are two metallic plates of a parallel plate capacitor. One plate is given a charge while the other is earthed as shown. Points and are taken as shown in the adjoining figure. Then the electric intensity is not zero at:

The distance between the plates of a circular parallel plate capacitor of diameter, , whose capacity is equal to that of a metallic sphere of radius, will be:

The energy density in a parallel plate capacitor is given as . The value of the electric field in the region between the plates is :
