Two infinite sheets of charge are separated by 10 cm as shown in the figure. She

Question

Two infinite sheets of charge are separated by 10 cm as shown in the figure. Sheet 1 has a surface charge distribution of ?1 = 2.49 ?C/m2 and sheet 2 has a surface charge distribution of ?2 = -5.47 ?C/m2. Find the x-component of the electric field at each of the following locations:

a) at point P, 6 cm to the left of sheet 1

b) at point P', 6 cm to the right of sheet 1

Two infinite sheets of charge are separated by 10 cm as shown in the figure. Sheet 1 has a surface charge distribution of ?1 = 2.49 ?C/m2 and sheet 2 has a surface charge distribution of ?2 = -5.47 ?C/m2. Find the x-component of the electric field at each of the following locations: at point P, 6 cm to the left of sheet 1 at point P', 6 cm to the right of sheet 1

Explanation / Answer

a)

E = E2 - E1 = sigma2/2e0 - sigma1/2e0 = 5.47e-6/(2*8.85e-12) - 2.49e-6/(2*8.85e-12) = 1.68 x 10^5 N/C

b)

E = E2 + E1 = sigma2/2e0 + sigma1/2e0 = 5.47e-6/(2*8.85e-12) + 2.49e-6/(2*8.85e-12) = 4.50 x 10^5 N/C

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