# Determination that at resonance x l x c or the

• Notes
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determination that at resonance X L =X C , or the inductive reactance(wL) = capacitive reactance( which results in the impedance in equal magnitude to the resistance (Z=R). At resonance, the impedance is the lowest value possible and the current will be the corresponding largest value possible [1]. Procedure : (Broken into parts for convenience) A] Computer Setup 1. Connect the Science Workshop interface to the computer and turn both on. 2. Connect the Power Amplifier to channel A and an electrical outlet for power. 3. Connect the Voltage Sensor to channel B, this measured voltage is related to current through a resistor, or . 4. Open the program P45_LRCC.SWS in the physics labs folder and select the Sampling Options to display Periodic Samples = Fast at 1000Hz; originally set by Sweep Speed control in the Scope display. 5. Set the Signal Generator to output a 2.97-3V sine wave at 10.00Hz; originally set by the science workshop program. 6. Set the Signal Generator and Scope display together so both can be viewed simultaneously. B] Equipment Setup 1. Set up the RLC Circuit board’s 10Ω resistor to the positive channel of the voltage sensor and the Power Amplifier’s positive channel as well as the 100 F capacitor connected to ϰ the negative channel of the Power Amplifier. The below visual depicts the true set up of the RLC Circuit board [1].

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C] Data Recording 1.
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• Spring '12
• Dr.Phaneuf
• Physics, Power, Resistor, LRC, resonant angular frequency

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