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Solution: What should be the value of the second impedance in parallel

Problem Statement: Electrical Engineering Professional Subjects

Electric Circuits: AC Circuits Problem Solving

An impedance equal to 4.44โ 60ยฐ ฮฉ is connected across a 220 V source. What should be the value of the second impedance in parallel with the first, if the total power delivered to the circuit is to be 16.5ย kWย and the overall power factor is to be unity?

A.ย 2.21โ 30.1ยฐ ฮฉ

B.ย 3.33โ -40.9ยฐ ฮฉ

C. 5.63โ 30ยฐ ฮฉ

D.ย 6.543โ -45ยฐ ฮฉ

The value of the second impedance in parallel with the first is equal to 3.322โ -40.97ยฐ ฮฉ.

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