Electricity and Magnetism Answers

State the laws of electrostatics in integral form.
(b) A uniformly charged long cylinder of radius a and length L has
total charge q inside its volume.
What is the direction of the electric field at points outside the cylinder?
Find the electric field inside and outside the cylinder.

I have 1.2-1250 umol of Iron (Fe) in seawater, how would I work out the strength of the electromagnet needed to extract the iron in the seawater? Is there a relevant set of formulas needed?

How can we explain self inductance?

Write lorenz force expression.

What is difference in direction of magnetic field around a current carrying coil while observing from below or above the conductor

a charge of 5c and 3kg mass is in vertical equilibrium due to electric field E find the electric field E.

if three identical charge are kept on vertex of equilateral triangle then find the electric field at its centoid.

a package is drop from the drone which is raising with velocity 0.5m/sec.find the distance between package and drone after 2.5sec?

A parallel beam of light of wavelength lembda is incident normally on a thin polymer film
with air on both sides. If the film has a refractive index n >1, then second-order bright
fringes can be observed in reflection when the thickness of the film is