Experiment: Impedance of a Capacitor in an AC Circuit (115 V, 50/60 Hz)

Experiment: Impedance of a Capacitor in an AC Circuit (115 V, 50/60 Hz), 8000639 [UE3050111-115], Direct and alternating current (DC and AC)
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Objective: Determine the impedance of a capacitor as a function of capacitance and frequency

Any change in voltage across a capacitor gives rise to a flow of current through the component. If an AC voltage is applied, alternating current will flow which is shifted in phase with respect to the voltage. In this experiment, a frequency generator supplies an alternating voltage with a frequency of up to 3 kHz. A dual-channel oscilloscope is used to record the voltage and current, so that the amplitude and phase of both can be determined. The current through the capacitor is given by the voltage drop across a resistor with a value which is negligible in comparison to the impedance exhibited by the capacitor itself.

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Plug-in Board for Components, 1012902 [U33250], Plug-In Component System

Plug-in Board for Components

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Linear Resistor, 1 Ohm, 1012903 [U333011], Plug-In Component System

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Linear Resistor, 10 Ohm, 1012904 [U333012], Plug-In Component System

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Capacitor 1 µF, 1012955 [U333063], Plug-In Component System

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Function Generator FG 100 (115 V, 50/60 Hz), 1009956 [U8533600-115], Function Generators

Function Generator FG 100 (115 V, 50/60 Hz)

1009956 [U8533600-115]
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PC Oscilloscope 2x25 MHz, 1020857 [U11830], Oscilloscopes

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HF Patch Cord, BNC/4 mm Plug, 1002748 [U11257], Experiment Leads and Cables

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Set of 15 Experiment Leads, 75 cm 1 mm², 1002840 [U13800], Circuits

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Item No.: 8000639 [UE3050111-115]
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