AC Fundamentals, Circuit and Circuit Theory The peak value of a sine wave is 200 V. Its average value is 127.4 V 200 V 282.8 V 141.4 V 127.4 V 200 V 282.8 V 141.4 V ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For a frequency of 200 Hz, the time period will be 0.5 s 0.005 s 0.05 s 0.0005 s 0.5 s 0.005 s 0.05 s 0.0005 s ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of pure cosine function is Same as peak value 0.5 of peak value 0.707 of peak value Zero Same as peak value 0.5 of peak value 0.707 of peak value Zero ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a series L-C circuit at the resonant frequency the Voltage across C is minimum Current is minimum Impedance is maximum Current is maximum Voltage across C is minimum Current is minimum Impedance is maximum Current is maximum ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Time constant of an inductive circuit Increases with the increase of inductance and the increase of resistance Increases with increase of inductance and decrease of resistance Increases with decrease of inductance and increase of resistance Increases with the decrease of inductance and decrease of resistance Increases with the increase of inductance and the increase of resistance Increases with increase of inductance and decrease of resistance Increases with decrease of inductance and increase of resistance Increases with the decrease of inductance and decrease of resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The power factor of a D.C. circuit is always Unity Zero Less than unity Greater than unity Unity Zero Less than unity Greater than unity ANSWER DOWNLOAD EXAMIANS APP