Question
In the operation of $n-p-n$ transistor compared to that of a triode, the $p$ base acts as :(a) emitter(b) cathode(c) grid(d) plate
Step 1
The cathode is the source of electrons and the anode is the plate that collects these electrons. The grid is used to control the flow of electrons from the cathode to the anode. Show more…
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When $n-p-n$ transistor is used as an amplifier then (a) electrons move from base to collector (b) electrons move from emitter to base (c) electrons move from collector to base (d) holes move from base to emitter
When $N P N$ transistor is used as an amplifier (A) electrons move from base to collector. (B) holes move from emitter to base. (C) electrons move from collector to base. (D) holes move from base to emitter.
One way in which the operation of an $n-p-n$ transistor differs from that of a $p-n-p$ (a) the emitter junction is reverse biased in $n-p-n$ (b) the emitter junction injects minority carriers into base region of the $p-n-p$ (c) the emitter injects holes into the base of the $p-n-p$ and electrons into the base region of $n-p-n$ (d) the emitter injects holes into the base of $n-p-n$
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