Ch27-p090 - 90 From Va 1 = Vc ir1 iR and i =(1 2(R r1 r2 we get Va Vc = 1 i(r1 R = 1 1 2 r1 R R r1 r2 4.4V 2.1V = 4.4V(2.3 5.5 5.5 1.8 2.3 = 2.5V

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90. From V a ε 1 = V c – ir 1 iR and i = ( 1 2 )/( R + r 1 + r 2 ), we get () 12 11 1 1 4.4V 2.1V (2.3 5.5 ) 5.5 1.8 2.3 2.5V. ac VV i rR Rr r εε ⎛⎞ −=− + =−
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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