ELECTRICAL ENGINEERING MCQs

16. The output characteristics of a MOSFET, is a plot of

a) Id as a function of Vgs with Vds as a parameter

b) Id as a function of Vds with Vgs as a parameter

c) Ig as a function of Vgs with Vds as a parameter

d) Ig as a function of Vds with Vgs as a parameter


17. The ripple factor of a full-wave rectifier circuit compared to that of a half wave rectifier
circuit without filter is

(A) half of that for a half ‘wave rectifier

(B) less than half that for a half-wave rectifier circuit

(C) equal to that of a half wave rectifier.

(D) none of the above.


18. A single-phase full wave mid-point type diode rectifier requires number ofdiodes whereas
bridge type requires

a) 1,2

b) 2,4

c) 4,8

d) 3,2


19. A single-phase full wave rectifier is a

a) single pulse rectifier

b) multiple pulse rectifier

c) two pulse rectifier

d) three pulse


20. In a 1-phase full wave bridge rectifier with M-2 type of connection has secondary side
voltage Vs = Vm sin ωt, with R load & ideal diodes.
The expression for the average value of the output voltage can be given by

a) 2Vm/π

b) Vm/π

c) Vm/√2

d) 2Vm/√2

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