Goals for Chapter 23: identify when Bawds\' Law can be applied Determine a Bussa

Question

Goals for Chapter 23: identify when Bawds' Law can be applied Determine a Bussan surface that can be used to solve the problem use Buss's Law to determine the electric field of charge distributions, Determine the electric of a charge distribution. The idea of electric flux Electric flux tells how much "flow" of electric field you have through a surface. In each part sketch the electric field, sketch the surface (you can just draw the view), and Determine the electric flux. the area is a section of the with total area:5m? E^rightarrow = 10^N/C + 5^N/C the area is the same as in part a E^rightarrow = 5^N/C the area is the same as in part A. Explain why you got the answer you did in part C. The concept of Gauss's Law The idea of Gauss's Law is sample - the amount of charge is proportional to the net flow of a electric field out of an area surrounding the charges. This law is always true, but it's not always useful. Determine the net electric flux through the sphere (dotted lines) Is the electric field at any point on the sphere 0? Explain the difference between your answers to a & b. Could this surface be used to calculate E^rightarrow? If yes, calculate E^rightarrow on the surface. If no. explain precisely where your computation of Gauss's Law fails.

Explanation / Answer

1) a) electric flux = (10 i) . (5 i)

                              = 50 N-m2/C

     b) electric flux = (10 i + 5 j) . (5 i)

                              = 50 N-m2/C

      c) electric flux = (5 j) . (5 i)

                              =   0 N-m2/C

2) a) net electric flux through sphere = qnet/eo

                                                              = 0

    

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