67) The colour of negative plate of a lead-acid battery is

Answer is:

grey

Explanation:

A positive plate of a lead-acid battery is brown in colour. A negative plate of a lead-acid battery is grey in colour. For each plate, there is a supporting grid made of an alloy of lead and antimony.

The colour of negative plate of a lead-acid battery is

Batteries MCQ - Electrician (Set-1) with Answers

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68) Lead-acid cells are used in

Answer is:

automobiles

69) The normal voltage of a fully charged lead-acid cell is

Answer is:

2.2 V

70) The relative density of the electrolyte in a lead-acid battery is 1.280. This value indicates that the battery is :

Answer is:

fully charged

71) The main purpose of lead-acid battery is to store electrical energy in the form of :

Answer is:

chemical energy

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