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NPTEL NCER Assignment 5 Solution

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What is NPTEL?

The National Programme on Technology Enhanced Learning (NPTEL) was initiated by seven Indian Institutes of Technology (Bombay, Delhi, Kanpur, Kharagpur, Madras, Guwahati and Roorkee) also the Indian Institute of Science, Bangalore in 2003. It consists of Five core disciplines were identified, namely, civil engineering, computer science and engineering, electrical engineering, electronics and communication engineering and mechanical engineering and 235 courses in web/video format were developed in this phase.

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The main goal of NPTEL Phase II (2009-14) was to build on the engineering and core science courses launched previously in NPTEL Phase I. so 600 web and video courses were created in all major branches of engineering, physical sciences at the undergraduate and postgraduate levels and management courses at the postgraduate level. Several improvements such as indexing of all video and web courses and keyword search were implemented.

Source- https://nptel.ac.in/

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What is NCER NPTEL?

This course looks at the operating principle of a range of non-conventional energy resources, materials used, characterization, and key performance characteristics. The technologies looked at will include, Solar energy, Wind, Batteries, Fuel cells, and Geothermal conversion. The advantages and limitations of these technologies in comparison to conventional sources of energy will also be examined.

What is the NPTEL Assignment?

Nptel mainly consists of 12-week courses. Every week NPTEL provides video lectures as well as different study materials. Every week one quiz is provided. Each quiz has a specific time deadline. After the end of time, deadline NPTEL provides a solution of that quiz as well as provides marks obtained by the registered candidate. Out of 12 assignments, top 8 assignment marks are considered. Weightage of assignment marks is 40 %.

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NPTEL NCER Assignment 5 Solution

1) Metals are usually transparent because of their lack of a bandgap.

  1. a) True
  2. b) False

Answer: FALSE

2) Larger the bandgap the more insulating the material.

  1. a) True
  2. b) False

Answer: TRUE

3) The highest occupied energy level in a metal at 0 Kelvin is the Fermi Energy level.

  1. a) True
  2. b) False

Answer: TRUE

4) For intrinsic semiconductors, the Fermi energy is half way between the valence band and the conduction band.

  1. a) True
  2. b) False

Answer: TRUE

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5) Fermi energy represents the chemical potential of the electrons.

  1. a) True
  2. b) False

Answer: TRUE

6) There is more energy in the visible part of the solar spectrum relative to the IR part of the spectrum.

  1. a) True
  2. b) False

Answer: FALSE

7) Direct bandgap semiconductors are better suited for solar cell applications than indirect bandgap semiconductors.

  1. a) True
  2. b) False

Answer: TRUE

8) The space charge region in a p-n junction is also referred to as the concentration region due to the build-up of charges there.

  1. a) True
  2. b) False

Answer: FALSE

9) The space charge region is always of equal width on either side of the p-n junction.

  1. a) True
  2. b) False

Answer: FALSE

10) Amorphous silicon is typically made using the Czochralski process..

  1. a) True
  2. b) False

Answer: FALSE

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Note- This is not an official answer (NPTEL NCER) provided by NPTEL. There may be some wrong answers. So Please submit your answer according to the use of your presence of mind.

Disclaimer – This website is designed to help the student community. This article is also designed to help the student community. All questions are NPTEL property.

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