Experiment7 - If an experiment works, something has gone...

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Unformatted text preview: If an experiment works, something has gone wrong. Birzeit University Physics Department Physics 112 Experiment No.7 Impedance & Reactance Student’s Name: Ammar T. Ammar Student’s No.: 1040385 Section: 7 Date: 28/4/2005 Instructor: Dr. Ziyad Izzat 2005 Copy left reversed Abstract: 1)The aim of the experiment is to find the phase shift between each pair of the voltage difference of the capacitor the resistance & the inductor and to measure the frequency at which the phase shift between the current and the driving voltage is zero. 2)The method used is by displaying the voltage difference of the capacitor the inductor , the resistance and the driving voltage on the oscilloscope's screen . 3)The main results are rad rad rad KHZ f LC LR CR 15 . 3 63 . 1 52 . 1 11 = = = = ϕ ϕ ϕ Theory: In the RLC circuit shown in figure1 1 the current is : eq Z t t I ) ( ) ( ε = Where ) ( ) tan ( ) ( impedance inductive the L j Z impedance ce capaci the C j Z impedance resistive the R Z Z Z Z Z L C R L C R eq ϖ ϖ =- = = + + = While: C ϖ 1 is the capacitance reactance and L ϖ is the inductive reactance. We Solve the equation of the current : ) ( ) ( t Cos t ϖ ε ε = 1 AC-powered ) ( 2 2 2 ) ( 2 2 2 ) / 1 ( ) / 1 ( ) / 1 ( ) / 1 ( ) / 1 ( ) / 1 ( ) / 1 ( )( ) / 1 ( ) ( ϕ ϖ ϕ ϖ ϖ ϖ ϖ ϖ ε ϖ ϖ ε ϖ ϖ ϖ ϖ ε ϖ ϖ ϖ ϖ ϖ ϖ ϖ ϖ ε + +- + =- +- + =- +-- =----...
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This note was uploaded on 10/13/2010 for the course ACCOUNTING 25668652 taught by Professor Ommaya during the Spring '10 term at Abraham Baldwin Agricultural College.

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Experiment7 - If an experiment works, something has gone...

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