EGR 101-Assignment 6

# EGR 101-Assignment 6 - UNIVERSITY OF MASSACHUSETTS...

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UNIVERSITY OF MASSACHUSETTS DARTMOUTH COLLEGE OF ENGINEERING EGR 101 INTRODUCTION TO ENGINEERING THROUGH APPLIED SCIENCE I OHM’S LAW WITH AN AC SOURCE INTRODUCTION The objective of this lab is to have you use MultiSim to confirm Ohm’s Law for AC circuits, i.e., when the power source is time-varying. You will use digital Voltmeters and Ammeters in MultiSim to measure RMS voltage and current to confirm Ohm’s Law. New Instruments in MultiSim: Function Generator Source: On the Instruments toolbar in MultiSim, you’ll find the Function Generator. When placed on your workspace, it looks like this: XFG1 If you double-click on the function generator, you’ll see 3 choices for wave forms (sinusoidal, triangle and rectangle); select the appropriate option. You’ll also need to select the signal frequency (in Hz) and the peak-to-peak amplitude. You should leave the DC Offset at 0 V and the duty cycle at 50%. To connect the Function Generator to your circuit, connect the + and – sides as you would a battery and connect the ground (center) to the – side.

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