@⇒ Electronic Devices and Circuits ⇒ Electronics Engineering Multiple Choice Questions / Objective type questions, MCQ's, with question and answers, download free PDF, short cut notes, rapid fire notes, best theory

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Q1.	Work function is the maximum energy required by the fastest electron at 0 K to escape from the metal surface.
A.	TRUE [Wrong Answer]
B.	FALSE [Correct Answer]
View Answer 4 -6 Explanation:- Answer : B Discuss it below : Click here for more comments


Q2.	At very high temperatures the extrinsic semi conductors become intrinsic because
A.	drive in diffusion of dopants and carriers [Wrong Answer]
B.	band to band transition dominants over impurity ionization [Correct Answer]
C.	impurity ionization dominants over band to band transition [Wrong Answer]
D.	band to band transition is balanced by impurity ionization [Wrong Answer]
View Answer 6 -5 Explanation:- Answer : B Discuss it below : Seetha lakshmi Said on 2020-03-20 23:36:38 Please explain easily Click here for more comments


Q3.	Crossover distortion behaviour is characteristic of
A.	class A O/P stage [Wrong Answer]
B.	class B O/P stage [Correct Answer]
C.	class AB output stage [Wrong Answer]
D.	common pulse O/P state [Wrong Answer]
View Answer 5 -2 Explanation:- Answer : B Discuss it below : Click here for more comments


Q4.	The v-i characteristics of a FET is shown in figure. In which region is the device biased for small signal amplifica
A.	AB [Wrong Answer]
B.	BC [Correct Answer]
C.	CD [Wrong Answer]
D.	BD [Wrong Answer]
View Answer 6 -5 Explanation:- Answer : B Discuss it below : Click here for more comments


Q5.	The word enhancement mode is associated with
A.	tunnel diode [Wrong Answer]
B.	MOSFET [Correct Answer]
C.	JFET [Wrong Answer]
D.	photo diode [Wrong Answer]
View Answer 5 -7 Explanation:- Answer : B Discuss it below : Click here for more comments

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