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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] |
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Explanation:-
Answer : D Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
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⇒
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0.2
0.4
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FALSE
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TRUE
FALSE
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positive imaginary axis
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TRUE
FALSE
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1100
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10 kHz
15 kHz
20 kHz
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about 95 V
about 80 V
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more than 5
equal to 5
less than 1
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⇒ Secondary emission occurs in
diode
triode
tetrode
pentode
⇒ In a 3 phase bridge inverter with 120° mode of operation the. number of thyristors conducting at one time are
1
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3
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