Electronic Devices And Circuits MCQ Questions & Answers | ECE

A. Injection, and subsequent diffusion and recombination of minority carriers

B. Injection, and subsequent drift and generation of minority carriers

C. Extraction, and subsequent diffusion and generation of minority carriers

D. Extraction, and subsequent drift and recombination of minority carriers

A. GaAs, Ge, Si

B. GaAs, Si, Ge

C. Si, Ge, GaAs

D. Ge, Si, GaAs

A. Impedance matching

B. Wideband voltage amplification

C. Power amplification

D. Reducing distortion

A. Increases exponentially with forward bias voltage

B. Decreases exponentially with forward bias voltage

C. Decreases exponentially with forward bias voltage

D. Increases linearly with forward bias voltage

A. Rectifier

B. Transistor

C. Diode

D. Inverter

A. 51

B. 49

C. 1

D. 0.02

A. Positively charged

B. Negatively charged

C. Electrically neutral

D. None of the above

A. a-1, b-2, c-4, d-3

B. a-2, b-3, c-1, d-4

C. a-3, b-4, c-1, d-2

D. a-2, b-1, c-4, d-3

A. Directed movement of charged particles under the application of electric field

B. directed movement of charged particles due to concentration gradient

C. random movement of charged particles due to thermal energy

D. None of the above

A. That a state is empty below E_f

B. That a state is filled below E_f

C. That a state is empty above E_f

D. That a state is filled above E_f