AC Fundamentals, Circuit and Circuit Theory Time constant of a circuit is the time in seconds taken after the application of voltage to each 90% of the maximum value 50% of maximum value 63% of maximum value 25% of maximum value 90% of the maximum value 50% of maximum value 63% of maximum value 25% of maximum value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Time constant of a capacitive circuit Increases with the increase of capacitance and decrease of resistance Increases with the decrease 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 increase of capacitance and decrease of resistance Increases with the decrease 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 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of the following circuit will be unity Resistance Capacitance Inductance None of the listed here Resistance Capacitance Inductance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory What will be the phase angle between two alternating waves of equal frequency, when one wave attains maximum value the other is at zero value? 90° 30° 45° 180° 90° 30° 45° 180° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The product of apparent power and cosine of the phase angle between circuit voltage and current is Reactive power Instantaneous power True power Volt-amperes Reactive power Instantaneous power True power Volt-amperes ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The peak value of a sine wave is 200 V. Its average value is 141.4 V 127.4 V 200 V 282.8 V 141.4 V 127.4 V 200 V 282.8 V ANSWER DOWNLOAD EXAMIANS APP
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