1. An electrical battery is a combi

1. An electrical battery is a combination of one or more electrochemical cells, used to
convert stored chemical energy into electrical energy. Since the invention of the first
Voltaic pile in 1800 by Alessaudio Volta, the battery has become a common power
source for many household and industrial applications.
2. Inside the battery itself, a chemical reaction produces the electi ons. The speed of
election production by this chemical reaction (the battery's internal resistance) controls
how many eleebons can flow between the terminals. Elections flow from the battery
into a wire, and must travel from the negative to the positive terminal for the chemical
reaction to take place. That is why a battery can be stored on a shelf for a year and still
have plenty of power. Once you connect a wire, the reaction starts.
3. Batteries may be used once and discarded, or recharged for years as in standby
power applications. Miniature cells are used to power devices such as hearing aids and
wristwatches; larger batteries provide standby power for telephone exchanges or
computer data centers.

Результаты (русский) 1:

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