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Grade: 11
Three identical metal plates with large surface areas are kept parallel to each other.The leftmost plate is given a charge Q, the rightmost is given a charge -2Q & the middle one remains neutral.Find the charge appearing on the outer surface of the rightmost plate.      { plzz  let me know how to you take the sign meaning + or - for the electric field due to each surface of the plate} 
5 years ago

Answers : (2)

Arun Kumar
IIT Delhi
askIITians Faculty
256 Points
							Let's say three plates charges Q1,Q2,Q3
We find equations by assuming electric field in the conductor zero.
Charges are conserved on each plate.
Thanks & Regards
Arun Kumar
IIT Delhi
Askiitians Faculty
4 years ago
11 Points
GOOD effort.
Please correct the last line, rest of the answer is correct.
last point is wrong Qa,right = +3Q/2
3 years ago
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