(a) Derive an expression for energy density of a parallel plate capacitor.
(b) Radius of a spherical conductor is 9 cm. `A+4muC` charge is given to it. Calculate the capacitance of conductor.

Derive an expression for the energy stored in a charged parallel plate capacitor.

Derive an expression for the capacitance of a parallel-plate capacitor filled with a dielectric.

A conductor holds 25 muC of charge at a potential of 5 V. Calculate its capacitance.

Obtain the expression for the energy stored in a parallel plate capacitor of capacitance C charged to a potential V.

(a) Derive an expression for the energy stored in a parallel plate capacitor of capacitance C when charged up to voltage V. How is this energy stored in the capacitor ? (b) A capacitor of capacitance 1 μF is charged by connecting a battery of negligible internal resistance and emf 10 V across it. Calculate the amount of charge supplied by the battery in charging the capacitor fully.

Using the concept of energy density, find the total energy stored in a a. parallel plate capacitor b. charged spherical conductor.

Derive an expression for the capacitance of a parallel plate capacitor. How is the capacitance affected when a conducting slab is introduced in-between its plates? Explain.

Derive an expression for the energy stored in a parallel plate capacitor. On charging a parallel plate capacitor to a potential V , the spacing between the plates is halved and a dielectric medium of in_(r) = 10 is introduced between the plates , without disconnecting the d.c. source . explain , using suitable expressions , how the (i) capacitance , " " (ii) electric field , and (iii) energy density of the capacitor change .

Derive an expression for the capacitance of a parallel plate capacitor. Explain the effect of dielectrics on capacitance of this capacitor. Or. Derive expression for capacitance of a parallel plate capacitor. Explain the effect of dielectrics on its capacitance.