Question

(1) Define electronics & write its applications function


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Answer 1

Answer:

Electronics comprises the physics, engineering, technology and applications that deal with the emission, flow and control of electrons in vacuum and matter. ... Electronics has had a major effect on the development of modern society.

Explanation:

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Answer 2

Answer:

Electrochemical series is a series of chemical elements arranged in order of their standard electrode potentials.

Application of electrochemical series:

(1) Oxidizing and reducing strengths:

Electrochemical series helps to identify the substances that are good oxidizing agents and reducing agents.(top of series-good reducing agents)

(2) Displacement reactions:

A metal higher in series will displace metal from its solution which its lower in series and vice versa

(3) Predicting Liberation of H2 gas from acids by metals:

All metals having negative electrode potential show greater tendency of losing electrons as compared to hydrogen.

(4) Feasibility of redox reaction

(5) Calculation of EMF of all.

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