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  • A wattless current is flowing in a circuit whose peak value is 4 mA and phase between voltage and current is <img alt="\frac{\pi}{2}" src="http://entrancecorner.oncodecogs.com/gif.latex?%5Cfrac%7B%

A wattless current is flowing in a circuit whose peak value is 4 mA and phase between voltage and current is \frac{\pi}{2}. Find the amplitude of wattless current . (in mA) 

Option: 1

4


Option: 2

2


Option: 3

1


Option: 4

8


Answers (1)

best_answer

As we learnt ,

 

Amplitude of wattless -

{i}'_{0}\sin \phi

-

 

 Amplitude of wattless current = Io sin \phi

                                                 = 4 sin \frac{\pi}{2}

Amplitude = 4 mA

 

Posted by

vishal kumar

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