Two loads connected in parallel draw a total of 2.4 kW at 0.8 lagging pf from a 120-V rms, 60-Hz line. One load absorbs 1.5 kW at a 0.707 lagging pf. Determine: (a) the pf of the second load, (b) the parallel element required to correct the pf to 0.9 lagging for the two loads.
What will be an ideal response?
 ANSWER.png)
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Consider the circuit in Fig. 4.145. (a) Replace the resistor RL by a zero resistance ammeter and determine the ammeter reading. (b) To verify the reciprocity theorem, interchange the ammeter and the 12-V source and determine the ammeter reading again.
 FIGURE 1.png)
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