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Measurements & InstrumentationCRO & Oscilloscopes

For a sinusoid with peak value 10 V, the RMS value is approximately?

  • A5 V
  • B7.07 V
  • C10 V
  • D14.14 V
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Correct Answer: B. 7.07 V
Explanation: For a sine wave, Vrms=Vp/√2≈10/1.414=7.07 V.
Reference: Standard measurements and instrumentation: cro & oscilloscopes
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