Computer Programming MCQs

A. 60 sin 25 t
B. 60 sin 50 t
C. 84.84 sin 3141
D. 42.42 sin 314 t

A. Inductive reactance
B. Capacitive reactance
C. Resistance
D. Capacitance

A. The speed with which the alternator runs
B. The number of cycles generated in one minute
C. The number of waves passing through a point in one second
D. The number of electrons passing through a point in one second

A. Series resistance needs a low-resistance source for sharp rise in current
B. Series resonance needs a high-resistance source for sharp increase in current
C. Parallel resonance needs a low-resistance source for a sharp in¬crease in impedance
D. Parallel resonance needs a low-resistance source for a sharp rise in line current

A. 0.5 of peak value
B. 0.707 of peak value
C. Same as peak value
D. Zero

A. Vc and vr
B. Vl and vr
C. Vc and vl
D. None of the above

A. Increasing core length
B. Decreasing the number of turns
C. Decreasing the diameter of the former
D. Choosing core material having high relative permeability

A. Square wave
B. Sine wave
C. Half wave rectified sine wave
D. Triangular wave

A. 282.8 v
B. 141.4 v
C. 111 v
D. 100 v

A. High voltage across the load
B. Low voltage across the load
C. Unequal line voltages across the load
D. Minimun voltage across the load