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CBSE Class 12-science Answered

What is the r.m.s. voltage when the peak voltage of an a.c. supply is 350 V?
Asked by Topperlearning User | 22 Jun, 2015, 08:53: AM
answered-by-expert Expert Answer

begin mathsize 12px style Given colon straight E subscript 0 equals 350 space straight V straight E subscript straight v equals ? straight E subscript straight v equals fraction numerator straight E subscript 0 over denominator square root of 2 end fraction straight E subscript straight v equals fraction numerator straight E subscript 0 over denominator square root of 2 end fraction times fraction numerator square root of 2 over denominator square root of 2 end fraction equals fraction numerator straight E subscript 0 cross times 1.414 over denominator 2 end fraction equals fraction numerator 350 cross times 1.414 over denominator 2 end fraction straight E subscript straight v equals 247.45 space straight V end style


Answered by | 22 Jun, 2015, 10:53: AM

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