What is the function of
(i) Cell or battery
(ii) Key
Draw symbol of each
Answers
Answer:
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Explanation:
Circuit symbols
We use circuit symbols to draw diagrams of electrical circuits, with straight lines to show the wires. The diagram shows some common circuit symbols.
Answer:
A battery is an electrochemical energy storage. It usually consists of a combination of electrochemical cells, the so-called galvanic cells. These cells contain two electrodes separated by an ion-conducting, liquid or solid electrolyte. These consist of different materials (e.g. lithium, alkali manganese, lead). Depending on the chemical system used, the battery systems have different voltage levels and energy densities. The material used for the electrodes determines how high the nominal voltage is. The energy that can be stored depends on the nature and amount of material used in the battery.
Explanation:
During discharge, the energy stored in chemical form is converted into electrical energy by an electrochemical reaction and electricity flows.