AC Fundamentals, Circuit and Circuit Theory When an alternating current passes through an ohmic resistance the electrical power converted into heat is Apparent power Reactive power Active power None of the listed here Apparent power Reactive power Active power None of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value and mean value is the same in the case of Half wave rectified sine wave Triangular wave Square wave Sine wave Half wave rectified sine wave Triangular wave Square wave Sine wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Time constant of an inductive circuit Increases with decrease of inductance and increase of resistance Increases with increase of inductance and decrease of resistance Increases with the increase of inductance and the increase of resistance Increases with the decrease of inductance and decrease of resistance Increases with decrease of inductance and increase of resistance Increases with increase of inductance and decrease of resistance Increases with the increase of inductance and the increase of resistance Increases with the decrease of inductance and decrease of resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is 40 kW 32 kW 36 kW 80 kW 40 kW 32 kW 36 kW 80 kW ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The square waveform of current has following relation between r.m.s. value and average value. None of these r.m.s. value of current is greater than average value r.m.s. value is equal to average value r.m.s. value of current is less than average value None of these r.m.s. value of current is greater than average value r.m.s. value is equal to average value r.m.s. value of current is less than average value 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° 180° 0° 90° 360° 180° 0° ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS