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Question: 2 oxygen concentrator i took this invacare platinum 10 home...

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2) Oxygen Concentrator I took this Invacare Platinum 10 home oxygen concentrator in my office (which uses nitrogen-absorbing materials at high pressure to produce 87% oxygen gas from air) to the ECE power lab and measured its voltage and current on arn oscilloscope. The device runs on American mains power. When the compressor is on, the curve looks like this: 100 S0 .1 50 2 100 04 02 03 Does the current in the oxygen concentrator lead the voltage across it or lag the voltage across it? a) b) Write down an approximate sinusoidal function for V(t) and for l(t). Magnitudes and frequencies should be within 10%, and angles to within 1 5 degrees.
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