chapter25- 034 - 34. (a) The potential difference across C1...

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() ( ) 2 22 11 1 10.0 F 50.0V 1.25 10 J. UC V µ == = × (g) Again, from part (a), 4 2 2.50 10 C q . (h) V 2 = 50.0 V, as shown in (a). (i) The energy stored in C 2 is ( ) 2 23 2 5.00 F 50.0V 6.25 10 J. V = × 34. (a) The potential difference across C 1 (the same as across C 2 ) is given by ( )( ) 3 12 123 15.0 F 100V 50.0V. 10.0 F+5.00 F+15.0 F CV VV CCC µµµ = = ++ Also, V 3 = V – V 1 = V – V 2 = 100 V – 50.0 V = 50.0 V. Thus, ( ) ( ) 4 1 4 2 44 4 312 10.0 F 50.0V 5.00 10 C 5.00 F 50.0V 2.50 10 C 5.00 10 C 2.50 10 C=7.50 10 C. qC V V qqq −− = × =+= ×
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This note was uploaded on 01/25/2011 for the course PHY 232 taught by Professor Yt during the Spring '10 term at The Petroleum Institute.

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