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PSPCL JE EE 2018 Previous Year Paper

Option 4 : (2000 - j2100)

__Concept__:

Complex Power of an AC circuit is given as:

\(P = V \times {I^*}\)

P = complex power

V = Voltage

I* = Conjugate of current

__Calculation__:

Given that, V = (50 + j20) V

I = (20 + j50) A

I^{*} = (20 - j50) A