AC Fundamentals, Circuit and Circuit Theory The r.m.s. value and mean value is the same in the case of Square wave Half wave rectified sine wave Sine wave Triangular wave Square wave Half wave rectified sine wave Sine wave Triangular wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In R-L-C series resonant circuit magnitude of resonance frequency can be changed by changing the value of L or C R only L only C only L or C R only L only C only ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Time constant of an inductive circuit Increases with increase of inductance and decrease of resistance Increases with the decrease of inductance and decrease of resistance Increases with decrease of inductance and increase of resistance Increases with the increase of inductance and the increase of resistance Increases with increase of inductance and decrease of resistance Increases with the decrease of inductance and decrease of resistance Increases with decrease of inductance and increase of resistance Increases with the increase of inductance and the increase of resistance 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? VC and VR VL and VR VC and VL None of these VC and VR VL and VR VC and VL None of these ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The power factor of a D.C. circuit is always Zero Unity Less than unity Greater than unity Zero Unity Less than unity Greater than unity ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory If a sinusoidal wave has frequency of 50 Hz with 30 A r.m.s. current which of the following equation represents this wave? 30 sin 50 t 84.84 sin 25 t 60 sin 25 t 42.42 sin 314 t 30 sin 50 t 84.84 sin 25 t 60 sin 25 t 42.42 sin 314 t ANSWER DOWNLOAD EXAMIANS APP
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