Cells and Batteries MCQ with Answers

11) What is the colour of positive electrode in fully charged lead acid battery?

Answer is:

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.

What is the colour of positive electrode in fully charged lead acid battery?

12) What is the specific gravity of concentrated sulphuric acid?

Answer is:

1.835

13) Which energy is converted by the battery to produce electricity?

Answer is:

Chemical energy into electrical energy

14) What is the total voltage of six 1.5 V cells, connected in series?

Answer is:

9 VDC

15) Which electrolyte is used in maintenance free lead acid batteries?

Answer is:

11) What is the colour of positive electrode in fully charged lead acid battery?

Reddish brown

12) What is the specific gravity of concentrated sulphuric acid?

1.835

13) Which energy is converted by the battery to produce electricity?

Chemical energy into electrical energy

14) What is the total voltage of six 1.5 V cells, connected in series?

9 VDC

15) Which electrolyte is used in maintenance free lead acid batteries?

Gelled electrolyte