The drawing shows an edge-on view of two planar surfaces that intersect and are
ID: 1322306 • Letter: T
Question
The drawing shows an edge-on view of two planar surfaces that intersect and are mutually perpendicular. Surface 1 has an area of 1.5 m2, while surface 2 has an area of 4.2 m2. The electric field E in the drawing is uniform and has a magnitude of 260 N/C. It is directed towards the two perpendicular surfaces, making an angle 35o with the bottom surface. Find the electric flux through (a) surface 1 and (b) surface 2.
The drawing shows an edge-on view of two planar surfaces that intersect and are mutually perpendicular. Surface 1 has an area of 1.5 m2, while surface 2 has an area of 4.2 m2. The electric field E in the drawing is uniform and has a magnitude of 260 N/C. It is directed towards the two perpendicular surfaces, making an angle 35o with the bottom surface. Find the electric flux through (a) surface 1 and (b) surface 2.Explanation / Answer
Flux = E Acos theta
a) surface 1
A=1.5 m2 , E = 260 N/C , theta = 35 deg
Flux = 1.5 * 260 N/C * cos 35
= 320 N.m2/C
b) surface 2
Flux = 4.2 * 260 * cos 55
= 626 N.m2/C
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