ELECTRIC FLUX Write the given and complete solution. 1. A uniform electric field E = 8000 N/C passing through a flat square area A = 10 m2. Determine the electric flux. 2. A disk of radius 196 mm is oriented with its normal unit vector n at 60° to a uniform electric field E of magnitude 5.87 x 103 N/C.

Physics for Scientists and Engineers: Foundations and Connections
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Author:Katz, Debora M.
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Chapter25: Gauss’s Law
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ELECTRIC FLUX
Write the given and complete solution.
1. A uniform electric field E = 8000 N/C passing through a flat
square area A = 10 m?. Determine the electric flux.
2. A disk of radius 196 mm is oriented with its normal unit
vector fi at 60° to a uniform electric field E of magnitude
5.87 x 103 N/C.
(a) What is the electric flux through the disk?
(b) What is the flux through the disk if n is parallel to E.
60°
3. A hollow sphere has unknown charges distributed
uniformly over its surface. At a distance of 0.63 m from the
center of the sphere, the electric field points radially inward
and has a magnitude of 4.56 x103 N/C. How much charge
is on the sphere?
4. A flat rectangle is placed in a uniform electric field with a
magnitude of 7.8 x 103 N/C. The electric flux through the
rectangle when its face is 45° to the field lines is 89.75
Nm2/C. Find the width of the flat rectangle with a length of
9.45cm.
Transcribed Image Text:ELECTRIC FLUX Write the given and complete solution. 1. A uniform electric field E = 8000 N/C passing through a flat square area A = 10 m?. Determine the electric flux. 2. A disk of radius 196 mm is oriented with its normal unit vector fi at 60° to a uniform electric field E of magnitude 5.87 x 103 N/C. (a) What is the electric flux through the disk? (b) What is the flux through the disk if n is parallel to E. 60° 3. A hollow sphere has unknown charges distributed uniformly over its surface. At a distance of 0.63 m from the center of the sphere, the electric field points radially inward and has a magnitude of 4.56 x103 N/C. How much charge is on the sphere? 4. A flat rectangle is placed in a uniform electric field with a magnitude of 7.8 x 103 N/C. The electric flux through the rectangle when its face is 45° to the field lines is 89.75 Nm2/C. Find the width of the flat rectangle with a length of 9.45cm.
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