Multiple Choice Question (MCQ)
Question: What is the colour of positive electrode in fully charged lead acid battery?
A.
Red colour
B.
Grey colour
C.
Reddish brown
D.
Spongy grey colour
Correct Answer: Reddish brown
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.