AC Fundamentals, Circuit and Circuit Theory All definitions of power factor of a series R-L-C circuit are correct except Ratio of kW and kVA Ratio of J and Z Ratio of W and VA Ratio of net reactance and impedance Ratio of kW and kVA Ratio of J and Z Ratio of W and VA Ratio of net reactance and impedance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For the same peak value, which of the following wave has the least mean value? Half wave rectified sine wave Triangular wave Sine wave Square wave Half wave rectified sine wave Triangular wave Sine wave Square wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of pure cosine function is Same as peak value Zero 0.5 of peak value 0.707 of peak value Same as peak value Zero 0.5 of peak value 0.707 of peak value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following circuit component opposes the change in the circuit voltage ? Resistance Inductance Capacitance Conductance Resistance Inductance Capacitance Conductance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory If two sinusoids of the same frequency but of different amplitudes and phase angles are subtracted, the resultant is A sinusoid of double the frequency None of the listed here A sinusoid of half the original frequency A sinusoid of the same frequency A sinusoid of double the frequency None of the listed here A sinusoid of half the original frequency A sinusoid of the same frequency ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Poor power factor Overloads alternators, transformers and distribution lines Results in more power losses in the electrical system Reduces load handling capability of electrical system All of the listed here Overloads alternators, transformers and distribution lines Results in more power losses in the electrical system Reduces load handling capability of electrical system All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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