Infinite positively charged sheet 1 has uniform surface charge density 1 = +2.0

Question

Infinite positively charged sheet 1 has uniform surface charge density 1 = +2.0 nC/m2 and is located in the yz plane of a Cartesian coordinate system. Infinite negatively charged sheet 2 is parallel to sheet 1 and has uniform surface charge density 2 = -8.0 nC/m2 . Sheet 2 is 4 m to the right of sheet 1 along the +x axis.

Part A Determine the magnitude and direction of the electric field in region I, to the left of sheet 1

. Part B Determine the magnitude and direction of the electric field in region II, between the two sheets

Part C Determine the magnitude and direction of the electric field in region III, to the right of sheet 2.

Explanation / Answer

part A

Electric field due to sheet= /2*epsilon

Electric field to the left=(2- 1)/2*epsilon0=338.83 N/C

direction=toward sheet 1

Part B

Between sheet=((2+1)/2*epsilon0=564.7 N/C

direction=toward sheet 2

Part C

To the right of sheet 2

field=(2- 1)/2*epsilon0=338.83 N/C

direction=toward sheet 2

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