Kingdom Protoctista includes_______________?
(A) Prokaryotic organisms
(B) Unicellular organisms
(C) Fungi
(D) Eu-cariotiquic organisms
In a push – pull converter, the filter capacitor can be obtained as____________?
(A) Cmin = V / ( Vr L f2 )
(B) Cmin= ( 1 – D ) V / ( Vr L f2 )
(C) Cmin= ( 1 – 2
(D) ) V / 32 ( Vr L f2 )
MOSFET stands for______________?
(A) Metal – oxide semiconductor field effect transistor
(B) Molybdenum – oxide semiconductor field effect transistor
(C) Metal – oxide silicon field effect transistor
(D) Metal – oxide semiconductor field effect transmitter
In a flyback converter, the inductor of the buck-boost converter has been replaced by a_____________?
(A) Flyback capacitor
(B) Flyback resistor
(C) Flyback transformer
(D) Flyback transistor
Advantages of Cuk converter is / are_____________?
(A) Large number of reactive component
(B) Low stress on switch
(C) Low stress on capacitor
(D) None of these
A MOSFET, for its conduction uses_____________?
(A) Only minority carriers
(B) Only majority carriers
(C) Both minority and majority carriers
(D) None of these
An RC snubber network used in BJT__________?
(A) Divert the collector current during turn – off
(B) Improves the reverse bias safe operating area
(C) Dissipates a fair amount of switching power
(D) All of these
The ac output voltage waveform of VSI and AC output current waveform of CSI respectively is composed of___________?
(A) High dv / dt, low di / dt
(B) Low dv / dt, low di / dt
(C) Low dv / dt, high di / dt
(D) High dv / dt, high di / dt
An instrument which detects electric current is known as_____________?
(A) voltmeter
(B) rheostat
(C) wattmeter
(D) galvanometer
The resistance of a copper wire 200 m long is 21 Q. If its thickness (diameter) is 0.44 mm, its specific resistance is around_______________?
(A) 1.2 x 10~8 Q-m
(B) 1.4 x 10~8 Q-m
(C) 1.6 x 10″”8 Q-m
(D) 1.8 x 10″8 Q-m