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A current of 10 A rms flows when a single phase circuit is placed across a 220 V rms source The current lags the voltage by 60◦ Find the power dissipated by the circuit and the power factor

A current of 10 A rms flows when a single-phase circuit is placed across a 220-V rms source. The current lags the voltage by 60◦. Find the power dissipated by the circuit and the power factor.

7.12      A single-phase circuit is placed across a 120-V rms, 60-Hz source, with an ammeter, a voltmeter, and a wattmeter connected. The instruments indicate 12 A, 120 V, and 800 W, respectively. Find

a.    The power factor.

b.    The phase angle.

c.    The impedance.

d.    The resistance.

Jun 18 2020 Read more Less More

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