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In given fig. Which of the curves represent wattless current?

Option: 1

R=0,Q-factor=infinity


Option: 2

R=very low,Q-factor=large


Option: 3

R=low,Q-factor=normal


Option: 4

R=high,Q-factor=low


Answers (1)

best_answer

As we learnt

 

Wattless current -

 

In an ac circuit

R=0\ or \;\cos \phi = 0

P_{av}= 0

- wherein

 

 

Wattless current flows in a circuit of zero resistance hence option a R=0,Q-factor=infinity is correct option.

Posted by

Ritika Kankaria

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