alleryStart learning →RMS voltage is the root of the cycle mean of what?
AInstantaneous voltage value
BPeak voltage over a cycle
CSquared instantaneous voltage
DCubed instantaneous voltage
Answer & Solution
Correct answer: C. Squared instantaneous voltage
RMS stands for root mean square: square the instantaneous voltage, average over a cycle, then take the square root.
Keep practising Alternating Current
Browse all Alternating Current questions for Bihar Board Class 12 (Science), or explore more Physics topics.
Related questions
The original Niagara Falls generators produced power at which frequency?How many transformers did the 1885 Budapest demonstration use in parallel connection?Who invented the first AC electricity meter?Which engineer demonstrated an AC lighting system at Great Barrington in March 1886?In 1876, who invented a lighting system using induction coils along a high-voltage AC lineWhich inventor led the late-1887 public campaign against AC as too dangerous?The AC induction motor of 1888 was independently invented by Galileo Ferraris and whom?What waveform does alternating current usually have in most power circuits?