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Batteries in Telecommunication and Transportation

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Batteries in Telecommunication and Transportation

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Questions and Answers

What is the primary function of cells or batteries in electrochemical systems?

To store mechanical energy

To convert chemical energy into electrical energy (correct)

To produce thermal energy

To reduce the voltage of a circuit

Which of the following devices commonly use battery power?

Automobiles, smartphones, electronic tablets, watches, pacemakers (correct)

Refrigerators

Microwave ovens

Air conditioners

What is the term for the transfer of electrons in an electrochemical system?

Electron transfer (correct)

Oxidation-reduction reaction

Ionization reaction

Electrochemical reaction

What is the function of electrodes in electrochemical systems?

To facilitate the transfer of electrons Signup and view all the answers

What is a battery, according to electrochemistry?

An electrochemical cell or several electrochemical cells connected in series Signup and view all the answers

What is the purpose of electroplating in electrochemistry?

To purify metals Signup and view all the answers

What is the term for chemical reactions that produce electricity and the changes associated with the passage of electrical current through matter?

Redox reaction Signup and view all the answers

What is the primary application of batteries in various industries?

To provide power for various devices and systems Signup and view all the answers

What is the term for the single unit of an electrochemical system?

Cell Signup and view all the answers

What is the term for the region where the transfer of electrons occurs in an electrochemical system?