AC Fundamentals, Circuit and Circuit Theory Form Factor is the ratio of Average value/r.m.s. value r.m.s. value/average value Average value/peak value r.m.s. value/peak value Average value/r.m.s. value r.m.s. value/average value Average value/peak value r.m.s. value/peak value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In series resonant circuit, increasing inductance to its twice value and reducing capacitance to its half value Will change the maximum value of current at resonance Will increase the selectivity of the circuit Will change the impedance at resonance frequency Will change the resonance frequency Will change the maximum value of current at resonance Will increase the selectivity of the circuit Will change the impedance at resonance frequency Will change the resonance frequency 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 the listed here VL and VR VC and VL VC and VR None of the listed here VL and VR VC and VL VC and VR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The frequency of domestic power supply in India is 50 Hz 250 Hz 150 Hz 200 Hz 50 Hz 250 Hz 150 Hz 200 Hz ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to Average voltage R.m.s. voltage Peak voltage None of the listed here Average voltage R.m.s. voltage Peak voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a purely inductive circuit Actual power is zero Reactive power is zero None of the listed here Apparent power is zero Actual power is zero Reactive power is zero None of the listed here Apparent power is zero ANSWER DOWNLOAD EXAMIANS APP
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