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An ac circuit has two branches in parallel. The impedances of the two branches are equal. The p.f. of one branch is 0.8 lagging and 0.8 leading. The overall p.f. is | |
A. | zero [Wrong Answer] |
B. | 0.5 lagging [Wrong Answer] |
C. | 1 [Wrong Answer] |
D. | 0.7 lagging [Correct Answer] |