Top 80+ Solved Electronic Circuits 1 MCQ Questions Answer
Q. If the input frequency of a half wave rectifier is 100Hz, then the ripple frequency will be
a. 150hz
b. 200hz
c. 100hz
d. 300hz
Q. 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
Q. SMPS is used for
a. obtaining controlled ac power supply
b. obtaining controlled dc power supply
c. storage of dc power
d. switch from one source to another
Q. Choose the incorrect statement.
a. smps is less sensitive to input voltage variations
b. smps is smaller as compared to rectifiers
c. smps has low input ripple
d. smps is a source of radio interference
Q. is used for critical loads where temporary power failure can cause a great deal of inconvenience.
a. smps
b. ups
c. mps
d. rccb
Q. is used in the rotating type UPS system to supply the mains.
a. dc motor
b. self excited dc generator
c. alternator
d. battery bank
Q. Static UPS requires
a. only rectifier
b. only inverter
c. both inverter and rectifier
d. none of the mentioned
Q. Usually batteries are used in the UPS systems.
a. nc
b. li-on
c. lead acid
d. all of the mentioned
Q. HVDC transmission has as compared to HVAC transmission.
a. smaller transformer size
b. smaller conductor size
c. higher corona loss
d. smaller power transfer capabilities
Q. The negative polarity is used in the monopolar link because it
a. uses less conductor size
b. is safer
c. produces less radio interference
d. has less resistance
Q. Which of the following can be a source of supply in dc power supplies?
a. battery
b. dry cell
c. full wave rectifier
d. all of the mentioned
Q. Which of the application’s filters used for?
a. reducing ripples
b. increasing ripples
c. increasing phase change
d. increasing amplitude