AC Fundamentals, Circuit and Circuit Theory For a frequency of 200 Hz, the time period will be 0.0005 s 0.5 s 0.05 s 0.005 s 0.0005 s 0.5 s 0.05 s 0.005 s ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The power consumed in a circuit element will be least when the phase difference between the current and voltage is 30° 180° 90° 60° 30° 180° 90° 60° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Time constant of a capacitive circuit Increase with increase of capacitance and increase of resistance Increases with the decrease of capacitance and decrease of resistance Increases with the increase of capacitance and decrease of resistance Increases with the decrease of capacitance and increase of resistance Increase with increase of capacitance and increase of resistance Increases with the decrease of capacitance and decrease of resistance Increases with the increase of capacitance and decrease of resistance Increases with the decrease of capacitance and increase of resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of an electrical circuit is equal to Ratio of useful current to total current Iw/I R/Z Cosine of phase angle difference between current and voltage all of these Ratio of useful current to total current Iw/I R/Z Cosine of phase angle difference between current and voltage all of these 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. r.m.s. value of current is less than average value None of these r.m.s. value is equal to average value r.m.s. value of current is greater than average value r.m.s. value of current is less than average value None of these r.m.s. value is equal to average value r.m.s. value of current is greater than average value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a series L-C circuit at the resonant frequency the Current is minimum Impedance is maximum Current is maximum Voltage across C is minimum Current is minimum Impedance is maximum Current is maximum Voltage across C is minimum ANSWER DOWNLOAD EXAMIANS APP
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