# NPTEL Non-conventional energy Resources Assignment 5 Answers 2022

Are you looking for the Answers to NPTEL Non-conventional energy Resources Assignment 5? This article will help you with the answer to the National Programme on Technology Enhanced Learning (NPTEL) Course “NPTEL Non-conventional energy Resources Assignment 5″

## What is Non conventional energy Resources?

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.

## CRITERIA TO GET A CERTIFICATE

Average assignment score = 25% of the average of best 6 assignments out of the total 8 assignments given in the course.
Exam score = 75% of the proctored certification exam score out of 100

Final score = Average assignment score + Exam score

YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF THE AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.

Below you can find the answers for NPTEL Non-conventional energy Resources Assignment 5

## NPTEL Non-conventional energy Resources Assignment 5 Answers:-

Q1. Match the following materials and band gap values:

Q2. Statement:  Material ‘A’ has a band gap value of 1.9 eV.

Implication:

(i)   This material is transparent to parts of the visible spectrum.    (ii)  This material is insulating in nature.   (iii)  Wavelength equivalent to band gap value lies in visible spectrum.

Q3. Select the true/false for the statements:

Q4. ____ band gap material is always a preferred over the _____ band gap material for fabricating a _____

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Q5. Conductivity of an____ semiconductor depends on temperature. It’s __ and hence the conductivity can be changed by subsequently

Q6. In a p-n junction, band bending happen when___________________________.

Q7. Label the graph.

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Q8. Match the following:

Q9. Arrange the following in increasing order of their disorder:

(i)   Small size crystal material
(ii)  Single crystal material
(iii) Amorphous material

Q10. Name the process which is used to manufacture p-n junction by enabling gaseous elements to condense on surface of substrate under high vacuum.