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Discussion

Wave A = 100 sin ωt and wave B = 100 cos ωt. Then

  • A.rms values of the two waves are equal
  • B.rms values of A is more than that of B
  • C.rms values of A is less than that of B
  • D.
    rms values of the two waves may or may not be equal

Answer: C

Since peak values are equal, their rms values are equal irrespective of phase difference.

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