Question

In figure, E = 1 V (rms value). The average power is 250 mW. Then phase angle between E and I is

a.

90°

b.

60°

c.

45°

d.

30°

Answer: (b).60°

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Q. In figure, E = 1 V (rms value). The average power is 250 mW. Then phase angle between E and I is

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