When current and voltage reach maximum values at the same time, the power factor is .A.min

When measuring AC current flow, you must always connect the meter _____.

Football fever gripped the town when the local team reached the cup final.（英译中)

In "He would often discuss things with me, asking my opinion and disagreeing when he saw m

The alternating current generator supplying a load has a voltage drop resulted from the lo

When voltage and current developed in an AC circuit reach their peak values at the same ti

When nature is left alone a balance is reached among the animals and plants living in one area. But