An eclectic field of magnitude 3500 N/C is applied along the y axis. Calculate t

Question

An eclectic field of magnitude 3500 N/C is applied along the y axis. Calculate the electric flux through a rectangular plane 0.35 m wide and 0.7 m long if the plane is parallel to the yz plane. Calculate the electric flux through the same rectangle, if it is parallel to the xy plane. Calculate the electric flux through the same rectangle, but now the rectangle contains the y axis and its normal makes an angle of 40 with the x axis.. All the shaded areas represent conductors, and the un-shaded areas represent air. Assume that the outer sphere (Area of a sphere is A pi r^2) has a total

Explanation / Answer

7)

E = 3500 j N/C

a)
Area ,A = 0.35 * 0.7 i m^2

electric flux = E .A

electric flux = 3500 j . 0.35 * 0.7 i = 0

electric flux = 0 N.m^2/C

b)

Area ,A = 0.35 * 0.7 k m^2

electric flux = E .A

electric flux = 3500 j . 0.35 * 0.7 k = 0

electric flux = 0 N.m^2/C

c)

Area ,A = 0.35 * 0.7

electric flux = E * A * cos(theta)

electric flux = 3500 * 0.35 * 0.7 * cos(40)

electric flux = 656.9 N.m^2/C

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