circuits lab 1 - 385L - Laboratory 2 - Introduction to AC...

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385L - Laboratory 2 - Introduction to AC Measurements Abstract This lab introduces proper operation of a digital multimeter for AC voltage and current measurements, and of an oscilloscope for AC measurements. It also involves the demonstration of phasor relationships. In addition, capacitance and inductance are measured using information obtained from signal lag data in various circuit components. Background The two main instruments used in this lab were an oscilloscope and a digital multimeter. According to Wikipedia, an oscilloscope is a type of electronic test equipment that allows signal voltages to be viewed, usually as a two-dimensional graph of one or more electrical potential differences plotted as a function of time or of some other voltage. Wikipedia also describes a digital multimeter as an electronic measuring instrument that combines several functions such as voltage, current and resistance measurements in one unit. In a DMM the signal under test is converted to a voltage and an amplifier with an electronically controlled gain preconditions the signal. Digital meters often feature circuitry or software to accurately measure the
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This note was uploaded on 04/17/2008 for the course PHYS 385L taught by Professor Caruso during the Spring '08 term at University of Missouri-Kansas City .

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circuits lab 1 - 385L - Laboratory 2 - Introduction to AC...

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