A Best Way To Crack Gorenment Job Exams

Electronics Engineering Objective Questions { Bipolar Junction Transistor }

1. The current amplification factor alpha dc (ccic) is given by
A. lc / IE
B. lc / IB
C. IB / IE
D. IB / Ic
Discuss in Forum

2. Which of the undergiven expression for leakage current in a CE circuit is false?
A. 10EO (I + l) 'co
B. 'CEO = lal( 1 ? a)
D. 'CEO = ? 0)1B
Discuss in Forum

3.  If a = 0.98, then ratio I is
Discuss in Forum

4.  In the normal operation of a PNP transistor, its junctions are biased
A. both forward
B. both reverse
C. emitter-base : reverse collector-base : forward
D. emitter-base : forward collector-base : reverse
Discuss in Forum

5.  A PNP transistor has
A. only donor ions
B. only acceptor ions
C. two P-regions and one N-region
D. three P-N junctions
Discuss in Forum

6. In a properly-biased NPN transistor, most of the electrons from the emitter
A. recombine with holes in the base
B. recombine in the emitter itself
C. pass through the base to the collector
D. are stopped by the junction barrier
Discuss in Forum

7. If a transistor is required to match 100 a signal source with a high impedance output circuit, the connection that would be used is
A. common-base
B. common-collector
C. common-emitter
D. emitter follower
Discuss in Forum

Page 1 of 31

 1  23 »