PNP And NPN Transistor Multiple Choice Questions And Answers
16. In P-N-P transistor, base will be of
A.P material
B.N material
C.Either of the above
D.None of the above
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B.N material
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17. A P-N-P transistor has
A.Only acceptor ions
B.Only donor ions
C.Two P-regions and one N-region
D.Three P-N junction
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18. Which of the following is valid for both P-N-P as well as N-P-N transistor
A.The emitter injects holes into the base region
B.The electrons are the minority carriersin the base region
C.The EB junction is forward biased for active operation
D.When a biased in the active region, current flows into their emitter terminal
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19. ... is the device which acts like an N-P-N and a P-N-P transistor connected base-to-base and emitter-to-collector
A.SCR
B.UJT
C.Diac
D.Triac
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20. In the symbols of P-N-P transistors and N-P-N transistor the arrow on the emitter shows the direction of flow of
A.Electrons, electrons
B.Holes, holes
C.Holes, electrons
D.Electrons, holes
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