It is just the graph of a cosine with t>0 but with double the frequency of an ordinary cosine graph. Also to amplitude is not from 1 to -1 but from 10 to -10.For all t0SummaryV(t) = { 10cos(2t), t 0}Find and sketch i(t) for t>0Hint: try sketching using microsoft excel.
If the voltage is applied on a resistor, the current (i(t)) will have the phase as the voltage but divided by the resistors value.That's what I thought, but then I noticed that he defined V(t), but asked for i(t).
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by Jake Hertz
by Jake Hertz