- An infinite no. of charges each equal to 4 micro coulomb are place along the x-axis at x=1m,2m,4m and so on.find the electric field at the origin due to given sets of charges.
- What is meant by a cavity and what is the electric field on the circumference of a cavity whose centre is at a distance ‘a’ from the centre of a positively charged sphere of radius ‘r’ and ‘rho’ volume charge density?
- when a steady current flows through a conductor, the electron in it move with a certain drift speed which can be calculated for a typical copper wire carrying a small current ( ~ 1 mm/s) which is very small. How is it then that an electric bulb lights up as soon as we turn the switch on? Please explain
Some Questions from Electrostatics posted by visitors
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