question_answer

      Consider the following statements regarding a motor car battery:                               [IAS Prelim]

1. The voltage is usually 12V.

2. Electrolyte used is hydrochloric acid.

3. Electrodes are lead and copper.

4. Capacity is expressed in ampere-hour.

Which of the above statements are correct?

A) 1 and 2                        

B) 2 and 3

C) 3 and 4

D)      1 and 4