Electronic Devices And Circuits MCQ Questions & Answers | ECE

A. $$3$$

B. $$\frac{1}{3}$$

C. $$\frac{2}{3}$$

D. $$\frac{3}{2}$$

A. Junction diode

B. Varactor diode

C. Tunnel diode

D. Photodiode

A. The vacancy being filled by an ion

B. The vacancy being filled by a valence electron from a neighbouring atoms

C. The vacancy being filled by a free electron

D. The movement of an atom in the solid

A. Temperature

B. Pressure

C. Relative freedom of electrons in the crystal

D. Mass of atom in the material

A. An indirect bandgap semiconductor

B. A direct bandgap semiconductor

C. A wide bandgap semiconductor

D. A narrow bandgap semiconductor

A. sum of resistance values of n-material and p-material

B. sum of half the resistance values of n-material and p-material

C. equivalent resistance of the resistance value of p and n-material in parallel

D. none of the above

A. 500 MΩ

B. 100 MΩ

C. 50 MΩ

D. 600 MΩ

A. top of the valence band

B. bottom of the valence band

C. top of the conduction band

D. bottom of the conduction band

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

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

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

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

A. gold as an impurity below the contact

B. a high concentration of donors below the contact

C. a high concentration of acceptors below the contact

D. a thin insulator layer between the metal and semiconductor