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Question

The most widely used storage battery in cars, vehicles and domestic emergency lights is the :

A
Cadmium cell
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B
Lead accumulator
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C
Leclanche cell
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D
Alkaline battery
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Solution

The correct option is B Lead accumulator
Lead accumulator or lead acid batteries are used in batteries of car.
It consists of lead as cathode and lead coated with lead dioxide as anode immersed in an electrolyte of sulphuric acid.
Therefore a chemical reaction allows the flow through conductors to produce electricity.
Generally six cells are connected in series to give a voltage of 12 V.

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