55. ssm The drawing shows an edge-on view of two planar surfaces that intersect and are mutually perpendicular. Surface 1 has an area of 1.7 m2, while surface 2 has an area of

3.2 m2. The electric field  in the drawing is uniform and has a magnitude of 250 N/C. Find the magnitude of the electric flux through (a) surface 1 and (b) surface 2.

w0910

Consider the angles q1 and  q2  in the figure below.

 as it is making the same angle as the 35°shown in the figure.

 

 

Now Flux is found from

So for surface 1

 

And for surface 2

 

 

 

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This page last updated on June 5, 2018