AC Fundamentals, Circuit and Circuit Theory The product of apparent power and cosine of the phase angle between circuit voltage and current is Volt-amperes True power Reactive power Instantaneous power Volt-amperes True power Reactive power Instantaneous power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In an A.C. circuit power is dissipated in Capacitance only None of the listed here Inductance only Resistance only Capacitance only None of the listed here Inductance only Resistance only ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a R-L-C circuit Exchange of power takes place between capacitor and supply line Exchange of power takes place between inductor and supply line All of the listed here Power is consumed in resistance and is equal to IR Exchange of power takes place between capacitor and supply line Exchange of power takes place between inductor and supply line All of the listed here Power is consumed in resistance and is equal to IR 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 increase the selectivity of the circuit Will change the maximum value of current at resonance Will change the impedance at resonance frequency Will change the resonance frequency Will increase the selectivity of the circuit Will change the maximum value of current at resonance Will change the impedance at resonance frequency Will change the resonance frequency ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Two waves of the same frequency have opposite phase when the phase angle between them is 180° 90° 360° 0° 180° 90° 360° 0° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The reactance offered by a capacitor to alternating current of frequency 50 Hz is 20 Q. If frequency is increased to 100 Hz, reactance becomes __________ ohms. 15 2.5 10 5 15 2.5 10 5 ANSWER DOWNLOAD EXAMIANS APP
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