Basic electronics online test || be mcq test

This test completely based on Exam pattern and Syllabus,So give this test and Improve your prepration! Wish you very all the best!

Q.1 What is the ripple factor of a half wave rectifier?

(A) 0-30

(B) 0-48

(C) 0-707

(D) 1-21

Q.2 Which of the following is true about the resistance of a Zener diode

(A) it has a incremental resistance

(B) It has dynamic resistance

(C) the value of the resistance is inverse of the solo of the i-v characteristic of the Zener diode

(D) all of the above

Q.3 Which of the following is true in construction of a transistor

(A) the collector dissipates lesser power

(B) The emitter supplies minority carries

(C) The collector is mode physically larger than the emitter region

(D) the collector collects minority charge carries

Q.4 A junction FET can operate in

(A) depletion mode only

(B) Enhancement mode only

(C) depletion and enhancement modes

(D) Neither depletion nor enhancement mode

Q.5 A diode is

(A) Non-linear device

(B) Bilateral device

(C) linear device

(D) N.O.T above

Q.6 The emitter is transistor is

(A) Lightly doped

(B) Heavily doped

(C) Moderately doped

(D) N.O.T above

Q.7 A transistor is a operated device

(A) Current

(B) Voltage

(C) Both voltage and current

(D) N.O.T above

Q.8 Which of the following statement is true about FET?

(A) It has high output impedance

(B) It has high input impedance

(C) It has low input impedance

(D) It does not offer any resistance

Q.9 For a JFET the value of Vps at which Ip becomes essentially contact is the

(A) Pinch-off voltage

(B) Cut-off voltage

(C) Breakdown voltag

(D) Ohmic voltage

Q.10 In a BJT if the both emitter and collector junction are reverse biased it is said

(A) Actist

(B) sati-reaction

(C) Cut-off

(D) Non of above