28_Chapter 16 HomeworkCH16 Electrical Energy and Capacitance

28_Chapter 16 HomeworkCH16 Electrical Energy and...

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62 CHAPTER 16 (c) The total potential at point P is () 44 12 1.8 3.6 10 V 1.8 P VVV =+= +− × = − × (d) The work required to move a charge q 3.0 C µ = to point P from infinity is ( )( ) 64 3.0 10 V 0 5.4 10 J P WqVqV V −− =∆ = = × − =− × 2 C 1.8 10 × 16.57 The stages for the reduction of this circuit are shown below. ±²³³´ ± µ ¶²³³´ ± µ ¶²³³´ ± µ ·²³³´ ± µ ¸²³³´ ± µ ¹²³³´ ± µ º²³³´ ± µ ¸»²³´¼ ½²³³´ ± µ ¸»²³´¼ ¶²³³´ ± µ ¹²³³´ ± µ ¾º²³´ ± µ ¹²º±´ ± µ ¸»²³´¼ ¸»²³´¼ º²º±´ ± µ ¸²³³´ ± µ Thus, 6.25 F eq C = 16.58 (a) Due to spherical symmetry, the charge on each of the concentric spherical shells will be uniformly distributed over that shell. Inside a spherical surface having a uniform charge distribution, the electric field due to the charge on that surface is zero. Thus,
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This document was uploaded on 10/20/2011.

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