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The r.m,s value (in mV) calculated from figure is

Option: 1

282.88


Option: 2

200


Option: 3

400


Option: 4

800


Answers (1)

As we learnt

 

Root mean square -

 

Root of mean of square of voltage or current in ac circuit for one complete cycle is called rms value.

 

- wherein

It is donated by V_{rms} or i_{rms}

 

 V_{rms}=\frac{V_{max}}{\sqrt2}

V_{rms}=\frac{400}{\sqrt2}mV

V_{rms}=282.88mV

 

Posted by

Kshitij

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