AC Fundamentals, Circuit and Circuit Theory The phosphors for which of the following pair are 180° out of phase for VL, VC and VR? VL and VR VC and VL None of these VC and VR VL and VR VC and VL None of these VC and VR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a R-L-C circuit Power is consumed in resistance and is equal to IR Exchange of power takes place between inductor and supply line All of the listed here Exchange of power takes place between capacitor and supply line Power is consumed in resistance and is equal to IR Exchange of power takes place between inductor and supply line All of the listed here Exchange of power takes place between capacitor and supply line ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In an AC. circuit, a low value of kVAR compared with kW indicates Unity power factor Maximum load current Low efficiency High power factor Unity power factor Maximum load current Low efficiency High power factor 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 90° 360° 0° 180° 90° 360° 0° 180° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following statements pertains to resistors only? Connecting them in parallel increases the total value Oppose sudden changes in voltage Can dissipate considerable amount of power Can act as energy storage devices Connecting them in parallel increases the total value Oppose sudden changes in voltage Can dissipate considerable amount of power Can act as energy storage devices ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A phasor is A line representing the magnitude and direction of an alternating quantity A line which represents the magnitude and phase of an alternating quantity A colored tag or band for distinction between different phases of a 3-phase supply An instrument used for measuring phases of an unbalanced 3-phase load A line representing the magnitude and direction of an alternating quantity A line which represents the magnitude and phase of an alternating quantity A colored tag or band for distinction between different phases of a 3-phase supply An instrument used for measuring phases of an unbalanced 3-phase load ANSWER DOWNLOAD EXAMIANS APP