The relationship of the flux through the curved surface and flat surface due to apositive charge placed outside the given surface.

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Chapter 19.3, Problem 1aTH

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The relationship of the flux through the curved surface and flat surface due to apositive charge placed outside the given surface.

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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.

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