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 s
Circuits and Circuit Theory
Capacitors for power factor correction are rated in_________?
Capacitors for power factor correction are rated in_________?
A. kW
B. kVA
C. kV
D. kVAR
The r.m.s. value of a sinusoidal A.C. current is equal to its value at an angle of_______degrees?
The r.m.s. value of a sinusoidal A.C. current is equal to its value at an angle of_______degrees?
A. 90
B. 60
C. 45
D. 30
Form Factor is the ratio of__________?
Form Factor is the ratio of__________?
A. average value/r.m.s. value
B. average value/peak value
C. r.m.s. value/average value
D. r.m.s. value/peak value
For a sine wave with peak value Emax _______ 8.30. the average value is?
For a sine wave with peak value Emax _______ 8.30. the average value is?
A. 0.636 Emax
B. 0.707 Emax
C. 0.434 EWc
D. lAUEmax
For a sine wave with peak value Imax the r.m.s. value is_______?
For a sine wave with peak value Imax the r.m.s. value is_______?
A. 0.5 Imax
B. 0.707
C. 0.9
D. 1.414 Lmax
Form factor for a sine wave is________?
Form factor for a sine wave is________?
A. 1.414
B. 0.707
C. 1.11
D. 0.637
The r.m.s. value and mean value is the same in the case of___________?
The r.m.s. value and mean value is the same in the case of___________?
A. triangular wave
B. sine wave
C. square wave
D. half wave rectified sine wave
For 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 wave
The power consumed in a circuit element will be least when the phase difference between the current and voltage is________?
The power consumed in a circuit element will be least when the phase difference between the current and voltage is________?
A. 180″
B. 90°
C. 60°
D. 0°