AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of half wave rectified sine wave is 200 V. The r.m.s. value of full wave rectified AC. will be 111 V 282.8 V 100 V 141.4 V 111 V 282.8 V 100 V 141.4 V ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The phosphors for which of the following pair are 180° out of phase for VL, VC and VR? None of these VL and VR VC and VR VC and VL None of these VL and VR VC and VR VC and VL ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The series and parallel resonance on L-C circuit' differs in that Parallel resonance needs a low-resistance source for a sharp increase in impedance Parallel resonance needs a low-resistance source for a sharp rise in line current Series resistance needs a low-resistance source for sharp rise in current Series resonance needs a high-resistance source for sharp increase in current Parallel resonance needs a low-resistance source for a sharp increase in impedance Parallel resonance needs a low-resistance source for a sharp rise in line current Series resistance needs a low-resistance source for sharp rise in current Series resonance needs a high-resistance source for sharp increase in current ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of an inductive circuit is usually improved by connecting capacitor to it in Series None of the listed here Both parallel and series Parallel Series None of the listed here Both parallel and series Parallel ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In an AC. circuit, a low value of kVAR compared with kW indicates Maximum load current Low efficiency Unity power factor High power factor Maximum load current Low efficiency Unity power factor High power factor ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The voltage of domestic supply is 220 V. This figure represents R.m.s. value Peak value Average value Mean value R.m.s. value Peak value Average value Mean value ANSWER DOWNLOAD EXAMIANS APP
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