1. An integrated circuit, also called an IC chip, is a group of electronic circuits built on a small plate made up of . . . . . . . . A. copper B. silicon C. silica D. chromium Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
2. Which one of the following is not a semiconductor? A. Silicon B. Germanium C. Quartz D. Gallium arsenide Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
3. Digital circuits are used in A. electronic watches B. washing machines C. TV D. All of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
4. . . . . . . . . was later discovered and replaced with silicon. A. Rubidium B. Scandium C. Germanium D. Gallium Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
5. The full form of LED is A. Light Emitting Diode B. Light Emitting Device C. Light Enhancing Device D. Light Enhancing Diode Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
6. The p - n junction diode is used as A. An amplifier B. A rectifier C. An oscillator D. A modulator Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
7. Germanium is mainly used for . . . . . . . . A. Mediator B. Semiconductor C. Conductor D. Insulator Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
8. The figure shown below represents- A. Power diode B. Zener diode C. NPN transistor D. PNP transistor Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
9. Which one among the following components is used as an amplifying device? A. Transformer B. Diode C. Capacitor D. Transistor Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
10. In p - n junction, avalanche current flows in circuit when biasing is A. forward B. reverse C. zero D. excess Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board