In an a.c. circuit , peak value of volta...

In an a.c. circuit , peak value of voltage is 423 volt. Its effective voltage is …… volt.

400

323

300

340

Text Solution

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The correct Answer is:

Effective value of voltage means rms value
`therefore V_(rms)=V_m/sqrt2=423/sqrt2=423/1.41`=300 V

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