light dependent resistor viva question and answers

What is a Light Dependent Resistor or a Photo Resistor?

A Light Dependent Resistor (LDR) or a photo resistor is a device whose resistivity is a function of the incident electromagnetic radiation. Hence, they are light sensitive devices.They are also called as photo conductors, photo conductive cells or simply photocells. They are made up of semiconductor materials having high resistance. There are many different symbols used to indicate a LDR, one of the most commonly used symbol is shown in ....etc

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Galvanometer
A galvanometer is an electromechanical instrument for detecting and measuring electric current. The most common use of galvanometers was as analog measuring instruments, called ammeters, used to measure the direct current (flow of electric charge) through an electric circuit. A galvanometer works as an actuator, by producing a rotary deflection (of a pointer), in response to electric current flowing through a coil in a constant magnetic field.
Galvanometers developed from the observation that the needle of a magnetic compass is ....etc

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Course Context and Overview:
The course consists of laboratory tasks dealing with Digital Circuits. This is a rigorous
introductory laboratory course in Electronics and Communication Engineering. It is a credit
based laboratory course designed as a supplement to the Digital IC Applications theory
course. The software Xilinx is used to design any type of digital circuits and this laboratory
will be helpful to do the front end design of digital circuits. After verifying the design in the
software the designer will move to back end for produ ....etc

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plz send me Comprehensive Viva-Voce Questions for vlsi subject plz ....etc

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why to go for testbenches.its uses.difference between serial & parallel adder.use of counter ....etc

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vtu be 7 sem mechanical design lab viva question

Visvesvaraya Technological University (VTU) is one of the largest Technological Universities in India with 16 years of Tradition of excellence in Engineering & Technical Education, Research and Innovations. It came into existence in the year 1998to cater the needs of Indian industries for trained technical manpower with practical experience and sound theoretical knowledge. University has very successfully achieved the tremendous task of bringing various colleges affiliated earlier to different U ....etc

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isc economics viva question viva

Aims:

1. To enable candidates to acquire knowledge (information) and develop an understanding of facts, terms, concepts, conventions, trends, principles, generalisations, assumptions, hypotheses, problems, processes, etc. in Economics.

2. To acquaint candidates with tools of economic analysis.
3. To develop an understanding of important economic problems. ....etc

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Abstract
The diagnosis system of Maglev Train is introduced in this paper. The system structure and diagnosis method are analyzed and discussed in detail. The disadvantages of diagnosis system are proposed. In virtue of the theory of ADS (Autonomous Decentralized System), some basic ideas of ADS are applied in new diagnosis system. The structure, component parts and diagnosis method of new diagnosis system are proposed, designed and discussed in detail. The analysis results show that new diagnosis not only embodies some ADS ideas but also be ....etc

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viva questions and answers for plc lab

What are different comonents in PLC?
Answer: 1. Input Interface 2. Memory Section 3. Central Processing Unit (CPU) 4. Programmable Language 5. Programming tool 6. An output Interface

Advantages of PLCs than Hard wired Relay?
Answer: PLCs are highly reliable, easily programmable, Small and Inexpensive, PLCs can be designed with the communication capabilities so they can converse with the local or remote computer, They can sustain in robust environment less maintenance.

What is the programmable language ....etc

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C viva questions

1. Who developed the C language?
2.How do you comment on program C?
3. How is the name C derived?
4. What is K & R C?
5. What is the preprocessor declaration?
6. Differentiate between constant and variable.
7.What is the type of data?
8. Name the basic data types of C.
9.Differentiate between string constant and character constant.
10. What is the integer, char, float range for a 16-bit computer?
11. What is a statement?
12. What is a keyword?
13.Difference between keywords and identifiers.
14. What is th ....etc

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