An AC network draws the phasor current I = 6 - j8 A from a source whose phasor voltage is V = 100 + j0 V. Which statements are correct?
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Question

An AC network draws the phasor current I = 6 − j8 A from a source whose phasor voltage is V = 100 + j0 V. Which statements are correct?

G1 Physics · Accepted Answer

|I|=√(6²+8²)=10 A. The in-phase component is 6 A, so power factor=6/10=0.6. The negative imaginary component indicates lagging current. Average power = 100×6 = 600 W.