11 of 11 FETS: (201720 EEC 207 ELE 2153) Page 12 of 14 Scanned with CamScanner 2
ID: 2293043 • Letter: 1
Question
11 of 11 FETS: (201720 EEC 207 ELE 2153) Page 12 of 14 Scanned with CamScanner 25. Normal operation of the NPNBJT requires the base voltage to be the emitter voltage. 2 Marks] a. greater than b. less than c. equal to d. 10 times 26. The three terminals of a bipolar junction transistor are called 2 Marksl a. npn b. base, emitter, collector C. pnp d. input, output, ground 27. An open base resistor RB in a transistor switch will result in the 12 Marksl a. transistor always being ON b. transistor always being OFF d. transistor being destroyed c. transistor operating in the active region 28. The class AB BJT is typically used as a(n) amplifier 2 Marksl a. radio signal b. small signal amplifier C. 1 d. power O FETS: (201720HEEC 2073/ELE 2153) Page 13 of 14 Scanned with CamScannerExplanation / Answer
25. a, in normal operation base voltage should be greater than emitter voltage so that pn junction between base and emitter is forward bias.
26. b
27. b, if no voltage is applied at base then base collector emitter is open circuited or transistor is OFF.
28. d
Related Questions
Hire Me For All Your Tutoring Needs
Integrity-first tutoring: clear explanations, guidance, and feedback.
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.