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.Management Sciences
Category: Electronics
In the transistor schematic symbol, the arrow______________?
A. is located on the emitter
B. is located on the base
C. is locate on the collector
D. points form north to south
Which one of the following has the greatest energy gap ?
A. insulator
B. conductor
C. semi conductor
D. any of above
Forward current through a semi conductor diode circuit is due to____________?
A. minority carriers
B. majority carriers
C. holes
D. electron
The rectangular voltage is an example of____________________?
A. An analogue waveform
B. Continuous wave form
C. Electronic waveform
D. A digital waveform
p-n junction when reversed biased acts as a_______________?
A. capacitor
B. inductor
C. on switch
D. off switch
The simplest type of rectification known as half wave rectification is obtained by____________________?
A. using a transistor
B. suppressing the harmonics in A.C voltage
C. suppressing half wave of A.C supply by using diode
D. using a Coolidge tube
Acceptor and donor impurities donate______________?
A. n-carriers only
B. p-carriers only
C. p-carriers and n-carriers respectively
D. n-carriers and p-carriers respectively
Electrons present in p-type material due to thermal pair generation are_____________?
A. majority carriers
B. minority carriers
C. dual carriers
D. blockers
In forward bias the width of potential barrier_____________?
A. Increases
B. Decreases
C. Remains same
D. No effect
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