AC circuits Questions-Electrical Engineering (MCQ) questions and answers
ELECTRICALGENIE
1. The capacitive reactance of a 0.01 micro Farad capacitor for a frequency of 100kHz will be
2. A step voltage E is applied to a series R-L circuit. The rate of charge of current is maximum at t=
3. The internal impedence of a source 3+j4 ohm, It is desired to supply maximum power to a resistive load. The load resistance should be
4. At very high frequecies, The parallel RL circuit behaves as
5. Which of the following compensator will increase the bandwidth of the system?
6. The ratio of real power to apparent power of a load is
7. The power factor of a paractical inductor is
8. The restricking voltage is measured in
9. A power system is providing 250V AC at 20A If the phase angle between current and voltage is 23 degree then what is the true power used by the system.
10. A precision current shunt is measuring 200mV across it and also indicates a current of 30 A. What is the actual resistance of this shunt
11. What of the following statement is INCORRECT regarding a purely resistyive circuit?
12. Selectivity`s of different resonance circuits are compared in terms of their
13. The current through inductor follows
14. To calculate the power factor which of the following is odd one
15.A LC circuit can not produced oscillation when
16. Wattless current is possible only in
17. The value normally started when reffering to alternating currents and voltages
18. An alternating voltage of maximum value 100V is appli8ed to lamp. Which of the following direct voltages, if applied to the lamp, would cause the lamp to light with the same brightness?
19. One sin wave has a poisitive going zero crossing at 10 degree and another sine wave has a positive going zero crossing at 45 degree. The phase angle between these two wave forms is
20. In a series RC circuit, the voltage across the cpacitor is
It seems there is something wrong with your internet connection. Please connect to the internet and start browsing again.
AdBlock Detected!
We have detected that you are using adblocking plugin in your browser. The revenue we earn by the advertisements is used to manage this website, we request you to whitelist our website in your adblocking plugin.
Site is Blocked
Sorry! This site is not available in your country.
