If the current lags the voltage by 90° as shown in a pure inductor—the instantaneous power shown by the heavy curve is positive in the first ½cycle and negative in the second ½ cyc... Read more
If the current lags the voltage by 90° as shown in a pure inductor—the instantaneous power shown by the heavy curve is positive in the first ½cycle and negative in the second ½ cyc... Read more
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