EngiDocs 2024 Q1: A logic circuit provides the output Y as per the following truth table : The expression of the output Y is :(a) (b) (c) (d) B [2024]Ans: (c)According to given truth table, output is independent on value of A∴ Output Q2: The output ( Y ) of the given logic gate is similar … Read more
MCQ-6 This set of Class 12 Physics Chapter 14 Multiple Choice Questions & Answers (MCQs) focuses on “Semiconductor Electronics – Application of Junction Diode as a Rectifier”. 1. What is a rectifier used for?a) Convert ac voltage to dc voltageb) Convert dc voltage to ac voltagec) Measure resistanced) Measure current Answer: aExplanation: A rectifier is … Read more
MCQ-5 This set of Class 12 Physics Chapter 14 Multiple Choice Questions & Answers (MCQs) focuses on “Semiconductor Diode”. 1. Why is there a sudden increase in current in Zener diode?a) Due to the rupture of ionic bondsb) Due to rupture of covalent bondsc) Due to viscosityd) Due to potential difference Answer: bExplanation: The sudden … Read more
MCQ-4 This set of Class 12 Physics Chapter 14 Multiple Choice Questions & Answers (MCQs) focuses on “Semiconductor Electronics – p-n Junction”. 1. What will happen when a p-n diode is reversed-biased?a) No current flowsb) The depletion region is increasedc) The depletion region is reducedd) The height of the potential barrier is reduced Answer: bExplanation: … Read more
MCQ-3 This set of Class 12 Physics Chapter 14 Multiple Choice Questions & Answers (MCQs) focuses on “Extrinsic Semiconductor”. 1. On doping germanium metal, with a little amount of indium, what does one get?a) Intrinsic semiconductorb) Insulatorc) n-type semiconductord) p-type semiconductor Answer: dExplanation: Indium impurity in germanium produces p-type semiconductors. A trivalent impurity added to … Read more
MCQ-2 This set of Class 12 Physics Chapter 14 Multiple Choice Questions & Answers (MCQs) focuses on “Intrinsic Semiconductor”. 1. An intrinsic semiconductor, at the absolute zero temperature, behaves like which one of the following?a) Insulatorb) Superconductorc) n-type semiconductord) p-type semiconductor Answer: aExplanation: At the absolute zero temperature, an intrinsic semiconductor behaves like an insulator. … Read more
MCQ-1 This set of Class 12 Physics Chapter 14 Multiple Choice Questions & Answers (MCQs) focuses on “Semiconductor Electronics : Materials, Devices and Simple Circuits”. These MCQs are created based on the latest CBSE syllabus and the NCERT curriculum, offering valuable assistance for exam preparation. 1. The manifestation of the band structure in solids is … Read more
In the dynamic world of the stock market, prices of stocks can be highly volatile, causing sharp upward or downward movements in a short period of time. To curb extreme price fluctuations, mechanisms known as upper circuits and lower circuits are employed. These price limits help in stabilizing the market and protecting investors from panic-driven … Read more
If you are a woman seeking a safe and lucrative investment option, the Mahila Samman Savings Certificate (MSSC) offers an excellent opportunity. With an investment threshold as low as ₹1,000 and a 7.5% return—higher than most fixed deposits or Public Provident Fund (PPF) rates—MSSC is an ideal choice. It’s also a good investment option for … Read more
Initial Public Offerings (IPOs) have long been a favored avenue for companies to raise capital and for investors to potentially make significant returns. However, the dynamics of the IPO market, investor behavior, and long-term performance can be much more complex than they initially seem. In this detailed article, we will delve into the nuances of … Read more