ch22-p019 - 19. (a) Consider the figure below. The...

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() net 1 23 / 2 2 2 2 2 2 00 1/ 2 1 2s i n 2 44 /2 qd q d EE dr θ πε ⎡⎤ == = ⎢⎥ + + + ⎣⎦ G For r d >> , we write [( d /2) 2 + r 2 ] 3/2 r 3 so the expression above reduces to net 3 0 1 || . 4 qd E r G (b) From the figure, it is clear that the net electric field at point P points in the
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This note was uploaded on 06/07/2010 for the course PHYS 344 taught by Professor Bb during the Spring '10 term at The Petroleum Institute.

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