Power factor of the following circuit will be unity
Power factor of the following circuit will be unity
A. inductance
B. capacitance
C. resistance
D. both A. and B.
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The product of apparent power and cosine of the phase angle between circuit voltage and current is
The product of apparent power and cosine of the phase angle between circuit voltage and current isA. true power
B. reactive power
C. volt-amperes
D. instantaneous powerA sine wave has a frequency of 50 Hz. Its angular frequency is ________ radian/second.
A sine wave has a frequency of 50 Hz. Its angular frequency is ________ radian/second.A. 100 n
B. 50 jt
C. 25 JT
D. 5 nFor a frequency of 200 Hz, the time period will be__________?
For a frequency of 200 Hz, the time period will be__________?A. 0.05 s
B. 0.005 s
C. 0.0005 s
D. 0.5 sFor the same peak value, which of the following wave has the least mean value ?
For the same peak value, which of the following wave has the least mean value ?A. half wave rectified sine wave
B. triangular wave
C. sine wave
D. square waveWhich of the following coil will have large resonant frequency __________?
Which of the following coil will have large resonant frequency __________?A. A coil with large resistance
B. A coil with low resistance
C. A coil with large distributed capacitance
D. A coil with low distributed capacitanceThe r.m.s. value of half wave rectified sine wave is 200 V. The r.m.s. value of full wave rectified AC. will be___________?
The r.m.s. value of half wave rectified sine wave is 200 V. The r.m.s. value of full wave rectified AC. will be___________?A. 282.8 V
B. 141.4 V
C. 111 V
D. 100 V