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. 15 25 5 10 15 25 5 10 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The transient currents are associated with the Resistance of the circuit Impedance of the circuit Applied voltage to the circuit Changes in the stored energy in the inductors and capacitors Resistance of the circuit Impedance of the circuit Applied voltage to the circuit Changes in the stored energy in the inductors and capacitors ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is 16 kVAR 10 kVAR 12 kVAR 8 kVAR 16 kVAR 10 kVAR 12 kVAR 8 kVAR 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 r.m.s. value of current is greater than average value r.m.s. value is equal to average value None of these r.m.s. value of current is less than average value r.m.s. value of current is greater than average value r.m.s. value is equal to average value None of these 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? 45° 180° 30° 90° 45° 180° 30° 90° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The safest value of current the human body can carry for more than 3 second is 15 mA 4 mA 5 mA 9 mA 15 mA 4 mA 5 mA 9 mA ANSWER DOWNLOAD EXAMIANS APP
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