Total = 750 microC . Find charge on 'C'

(a) Find charge on capacitors (b) Find charge on capacitor (c ) Find energy stored in capacitor.

Three spherical shells have radii R,2R and 3R respectively. Total charge on A nd C is 3q . Find the charges on different surface of A, B and C. The connecting wire does not touch the shell B.

A uniformly charged conducting sphere of 2.4m diameter has a surface density of 80.0 mu C//m^(2) . (a) Find the charge on the sphere (b) What is the total electric flux leaving the surface of the sphere ?

When 30mu C charge is given to an isolated conductor of capacitance 5mu F . Find out the following (i) Potential of the conductor (ii) Energy stored in the electric field of conductor (iii) If this conductor is now connected to another isolated conductor by a conducting wire (at very large distance ) of total charge 50mu C and capacity 10mu F then (a) find out the common potential of both the conductors. (b) Find out the heat dissipated during the process of charge distribution. (c) Find out the ratio of final charges on conductors. d) Find out the final charges on each conductor.

A cup contains 250 g of water. Find the total positive charge present in the cup of water.

Figure shows a uniformly charged sphere of radius R and total charge Q. A point charge q is situated outside the sphere at a distance r from centre of sphere. Find out the following : (i) Force acting on the point charge q due to the sphere. (ii) Force acting on the sphere due to the point charge.

In the circuit shown in the figure, the total charge is 750 mu C and the voltage across capacitor C_2 is 20 V. Then the charge on capacitor C_2 is:

a can complete a piece of work in 15 days. B can complete it in 10 days. With the help C, they can complete it in 4 days. They all worked togther and earned a total of s. 750. Find C's share.