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.Management Sciences
Category: Electronics
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
Semi-conductors with donor atoms and free electrons belong to the type________________?
A. n
B. p
C. mix
D. any of above
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