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Unformatted text preview: cture 1911 11 Inductive Load I(t) lags v(t) by 90 o (1/4 cycle) +cture 19cture 1912 12 ©2008 by W.H. Freeman and Company cture 19cture 1913 13Capacitive vs Inductive Load I(t) leads v(t) by 90 o ++ v L (t) leads I(t) by 90 o v L cture 19cture 1914 14 ENERGY STORED IN AN INDUCTOR 6C07 cture 19cture 1915 15 (Ideal) LC Circuit same cture 19cture 1916 16 ©2008 by W.H. Freeman and Company cture 19cture 1917 17 RC Circuit vs LC Circuit R C +QQ I convention so that dQ I dt = t IQ/(CR) tI max I max In RC circuit, current I causes energy dissipation in resistor R . exponential decay In LC circuit, there is no energy dissipation – energy can be stored in L , C , or both. sinusoidal oscillation cture 19cture 1918 18 ©2008 by W.H. Freeman and Company cture 19cture 1919 19 ©2008 by W.H. Freeman and Company cture 19cture 1920 20 DEMO DAMPED OSCILLATIONS 6C10 cture 19cture 1921 21 LC Oscillations 2 2 1 , , 2 2 E B Q dQ U U LI I C dt = = = No Resistance = No dissipation...
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 Fall '08
 Wei
 Current, Inductance, Alternating Current, RC circuit, RL circuit, LC circuit, Ture

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