AC Fundamentals, Circuit and Circuit Theory Capacitive reactance is more when Capacitance is less and frequency of supply is less Capacitance is more and frequency of supply is more Capacitance is less and frequency of supply is more Capacitance is more and frequency of supply is less Capacitance is less and frequency of supply is less Capacitance is more and frequency of supply is more Capacitance is less and frequency of supply is more Capacitance is more and frequency of supply is less ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A phasor is A colored tag or band for distinction between different phases of a 3-phase supply A line which represents the magnitude and phase of an alternating quantity A line representing the magnitude and direction of an alternating quantity An instrument used for measuring phases of an unbalanced 3-phase load A colored tag or band for distinction between different phases of a 3-phase supply A line which represents the magnitude and phase of an alternating quantity A line representing the magnitude and direction of an alternating quantity An instrument used for measuring phases of an unbalanced 3-phase load ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The reactance offered by a capacitor to alternating current of frequency 50 Hz is 20 ohm. If frequency is increased to 100 Hz, reactance becomes __________ ohms. 5 10 25 15 5 10 25 15 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Time constant of a capacitive circuit Increases with the decrease 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 Increase with increase of capacitance and increase of resistance Increases with the decrease 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 Increase with increase of capacitance and increase of resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a highly capacitive circuit the Reactive power is more than the actual power Apparent power is equal to the actual power Reactive power is more than the apparent power Actual power is more than its reactive power Reactive power is more than the actual power Apparent power is equal to the actual power Reactive power is more than the apparent power Actual power is more than its reactive power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure resistive circuit None of the listed here Current lags behind the voltage by 90° Current can lead or lag the voltage by 90° Current is in phase with the voltage None of the listed here Current lags behind the voltage by 90° Current can lead or lag the voltage by 90° Current is in phase with the voltage ANSWER DOWNLOAD EXAMIANS APP
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