The r.m.s. value of a sinusoidal A.C. current is equal to its value at an angle of 45 degrees.
The equation of 50 Hz current sine wave having r.m.s. value of 60 A is? Answer : (60*√2)Sin(2π*50*t) ...
The r.m.s. value of pure cosine function is? Answer : 0.707 of peak value ...
The r.m.s. value and mean value is the same in the case of? Answer : The r.m.s. value and mean value is the same in the case of square wave. ...
Define : i) Average value ii) RMS value of an AC Wave. Answer : i) Average value: The average value is defined as the average of all instantaneous values during one alternation . That is, the ratio of the sum of all considered instantaneous values to the ... as produced by the alternating current when flowing through the same resistance for the same time. ...
An ac voltmeter using full -wave rectification and having a sinusoidal input has an ac sensitivity equal to (1) 1.414 times dc sensitivity (2) dc sensitivity (3) 0.9 times dc sensitivity (4) 0.707 times dc sensitivity Answer : An ac voltmeter using full -wave rectification and having a sinusoidal input has an ac sensitivity equal to 0.9 times dc sensitivity ...
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