A. 1.414
B. 0.707
C. 1.11
D. 0.637
Correct Answer: 1.11 ✔
Last Updated: December 11, 2018
Related MCQs
- The r.m.s. value and mean value is the same in the case of__________?
- For the same peak value, which of the following wave has the least mean value ?
- The power consumed in a circuit element will be least when the phase difference between the current and voltage is________?
- Two waves of the same frequency have opposite phase when the phase angle between them is_________?
- If two sine waves of the same frequency have a phase difference of JT radians, then_______?
- A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to__________?
- The voltage of domestic supply is 220V. This figure represents__________?
- If two sinusoids of the same frequency but of different amplitudes and phase angles are subtracted, the resultant is__________?
- The reactance offered by a capacitor to alternating current of frequency 50 Hz is 20 Q. If frequency is increased to 100 Hz, reactance becomes_______ohms?
- The period of a wave is__________?
- The form factor is the ratio of_______?
- A sine wave has a frequency of 50 Hz. Its angular frequency is ________ radian/second.
- The double energy transient occur in the__________?
- Power factor of the following circuit will be unity
- Power factor of an inductive circuit is usually improved by connecting capacitor to it in__________?
- All the rules and laws of D.C. circuit also apply to A.C. circuit containing__________?
- The best place to install a capacitor is__________?
- Power factor of an electrical circuit is equal to__________?
- In a series resonant circuit, the impedance of the circuit is__________?
- The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that
- For the same peak value which of the following wave will ‘have the highest r.m.s. value?
- The power consumed in a circuit element will be least when the phase difference between the current and voltage is__________?
- The peak value of a sine wave is 200 V. Its average value is__________?
- The period of a sine wave is _____ seconds. Its frequency is