Electronic Devices And Circuits MCQ Questions & Answers | ECE

A. Resistor

B. Transistor

C. FET

D. Capacitor

A. Forward voltage drop is zero and reverse saturation current is non-zero

B. Reverse recovery time is non-zero and reverse saturation current is zero

C. Forward voltage drop is zero and reverse recovery time is zero

D. Forward voltage drop is non-zero and reverse recovery time is zero

A. Positive temperature coefficient

B. Absence of minority carriers

C. On state resistance

D. Input impedance

A. three

B. four

C. two

D. five

A. $${{\text{V}}_{{\text{BR}}}} \times \sqrt {{{\text{N}}_{\text{D}}}} = {\text{constant}}$$

B. $${{\text{N}}_{\text{D}}} \times \sqrt {{{\text{V}}_{{\text{BR}}}}} = {\text{constant}}$$

C. $${{\text{N}}_{\text{D}}} \times {{\text{V}}_{{\text{BR}}}} = {\text{constant}}$$

D. $$\frac{{\sqrt {{{\text{N}}_{\text{D}}}} }}{{{{\text{V}}_{{\text{BR}}}}}} = {\text{constant}}$$

A. microwave

B. wavelength

C. spectrum

D. capacitance

A. decreases

B. increases

C. remains constant

D. increases exponentially

A. Both DG and IG semiconductors are suitable

B. Only DG semiconductor is suitable

C. DG semiconductor is suitable and some IG materials having proper dopants are also used

D. Only IG semiconductors are suitable

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

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

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

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

A. 14.87

B. 1.33

C. 4.9

D. 1.653