slides16all - The current and voltage are in phase in a...

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Previous Lecture Transformers Mutual inductance Self inductance LR circuits –p
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Today Finish LR circuits Oscillations in an LC circuit ac circuits –p
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LR circuit Fig. 30-5 –p
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LC circuit Close switch at t =0 . Fig. 30-9 –p
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ac circuits Fig. 31-6 –p
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Trig Formulas sin( a ± b ) = sin a cos b ± cos a sin b sin( θ ± π 2 ) = sin θ cos π 2 ± cos θ sin π 2 = ± cos θ –p
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Resistor only Maxima of V and I occur at same time. Fig.31-1
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Unformatted text preview: The current and voltage are in phase in a resistor. p. Inductor only Fig. 31-2 Maximum of I occurs later than maximum of V. The current lags the voltage by 90 in an inductor. p. Capacitor only Fig. 31-3 Maximum of I occurs earlier than maximum of V. The current leads the voltage by 90 in a capacitor. p....
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This note was uploaded on 08/06/2008 for the course PHYS 21 taught by Professor Hickman during the Fall '07 term at Lehigh University .

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slides16all - The current and voltage are in phase in a...

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