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Physics / Sears and Zemansky's University Physics with Modern Physics 13 / Chapter 22 / Problem 30E

Sears and Zemansky's University Physics with Modern Physics | 13th Edition | ISBN: 9780321696861 | Authors: Hugh D. Young; Roger A. Freedman; A. Lewis Ford

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Answer: A square insulating sheet 80.0 cm on a side is

Chapter 22, Problem 30E

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QUESTION:

Problem 30E

A square insulating sheet 80.0 cm on a side is held horizontally. The sheet has 7.50 nC of charge spread uniformly over its area. (a) Calculate the electric field at a point 0.100 mm above the center of the sheet. (b) Estimate the electric field at a point 100 m above the center of the sheet. (c) Would the answers to parts (a) and (b) be different if the sheet were made of a conducting material? Why or why not?

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QUESTION:

Problem 30E

A square insulating sheet 80.0 cm on a side is held horizontally. The sheet has 7.50 nC of charge spread uniformly over its area. (a) Calculate the electric field at a point 0.100 mm above the center of the sheet. (b) Estimate the electric field at a point 100 m above the center of the sheet. (c) Would the answers to parts (a) and (b) be different if the sheet were made of a conducting material? Why or why not?

ANSWER:

Solution 30E

Step 1

At very shorter distances the finite sheet as an infinite sheet and at very farther distance, the sheet acts as point charge.

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