Question

The electric field at point A on the surface of a conductor is 1×103V/m. What is the surface charge density (C/m^2) at that point?


Two parallel non-conducting sheets of area A=2 m2 are separated by a distance d=0.004 m. They carry equal but opposite surface charge densities of σ=8×10−6C/m2.

a) What is the electric field (V/m) between the plates? (ignore end effects)

b) What is the total energy (Joules) contained in the electric field between the sheets?

c) A conducting sheet with the same area as the two nonconducting sheets and with thickness h=1 mm (0.001 m) is inserted between the two sheets. What is the potential difference (Volts) between the sheets with this conducting sheet in place?

Answer 1

@GbFeun I see that these are questions from the midterm of 8.02x. We can't help you with these. You need to try them on your own.

Answer 2

Are you getting a grade on this? Or is it the MITOCW?

Answer 3

yes, it's a certificate course on Edx

Answer 4

IT all depends on the policies of the midterm. Are you allowed to get help? If so, certainly we should help.

Answer 5

I'll post the honor code

Answer 6

Honor Code: This exam is intended to test your personal understanding of the material. You may use everything on the 8.02 edX site as well as any textbooks you find useful. However, any discussion with other students or searching online for solutions to these questions is a violation of the honor code.

Answer 7

Thanks Ash. Then this sounds like a violation of the policies of the course. We are happy to help you study or prepare for the exam, but not violate the academic polices of your course.

Answer 8

One can take hint and understand the method but can NOT ask for answer or solution of a respective question.

Answer 9

^ Understand the concept/theory, we would be willing to help you.

Answer 10

No problem :) @Preetha