AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of pure cosine function is Zero Same as peak value 0.5 of peak value 0.707 of peak value Zero Same as peak value 0.5 of peak value 0.707 of peak value 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 A sinusoid of the same frequency None of the listed here A sinusoid of half the original frequency A sinusoid of double the frequency A sinusoid of the same frequency None of the listed here A sinusoid of half the original frequency ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory All the rules and laws of D.C. circuit also apply to A.C. circuit containing Inductance only Capacitance only All above Resistance only Inductance only Capacitance only All above Resistance only ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of alternating current is given by steady (D.C.) current which when flowing through a given circuit for a given time produces None of these The same heat as produced by A.C. when flowing through the same circuit The more heat than produced by A.C. when flowing through the same circuit The less heat than produced by A.C. flowing through the same circuit None of these The same heat as produced by A.C. when flowing through the same circuit The more heat than produced by A.C. when flowing through the same circuit The less heat than produced by A.C. flowing through the same circuit ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory All definitions of power factor of a series R-L-C circuit are correct except Ratio of W and VA Ratio of kW and kVA Ratio of J and Z Ratio of net reactance and impedance Ratio of W and VA Ratio of kW and kVA Ratio of J and Z Ratio of net reactance and impedance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure inductive circuit if the supply frequency is reduced to 1/2, the current will Be reduced by half Be four times as high Be doubled Be reduced to one fourth Be reduced by half Be four times as high Be doubled Be reduced to one fourth ANSWER DOWNLOAD EXAMIANS APP
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