Physics · Alternating Current
The RMS value of the voltage periodic waveform u(t) = 3 + 4cos(3t) V is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 13 + 2√2 V
- 27 V
- 35 V
- 4√17 V✓
Correct answer
√17 V
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