A. 4 mA
B. 9 mA
C. 15 mA
D. 25 mA
Related Mcqs:
- 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 - The square waveform of current has following relation between r.m.s. value and average value?
A. r.m.s. value is equal to average value
B. r.m.s. value of current is greater than average value
C. r.m.s. value of current is less than average value
D. none of the above - The r.m.s. value of pure cosine function is_________?
A. 0.5 of peak value
B. 0.707 of peak value
C. same as peak value
D. zero - The r.m.s. value of alternating current is given by steady (D.C.) current which when flowing through a given circuit for a given time produces__________?
A. the more heat than produced by A.C. when flowing through the same circuit
B. the same heat as produced by A.C. when flowing through the same circuit
C. the less heat than produced by A.C. flowing through the same circuit
D. none of the above - The peak value of a sine wave is 200 V. Its average value is___________?
A. 127.4 V
B. 141.4 V
C. 282.8 V
D. 200VUpdated by: Ihtisham Ul Haq
- 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 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 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 - 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 - 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
