ch27-p108 - dependence of the voltage on time: V C = V / t...

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ln( V C ) = –1.2994 t + 2.525 Thus, we have the emf equal to V 0 = e 2.525 = 12.49 V 12 V ; (c) This also tells us that the time constant is τ = 1/1.2994 = 0.77 s. (d) Since τ = RC then we find C = 3.8 µ F. 108. (a) Dividing Eq. 27-39 by capacitance turns it into an equation that describes the
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Unformatted text preview: dependence of the voltage on time: V C = V / t e ; (b) Taking logarithms of this equation produces a form amenable to a least squares fit: ln( V C ) = 1 t + ln( V )...
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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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