Q. Consider the following statements regarding a motor car battery:1. The voltage is usually 12 V. 2. Electrolyte used is hydrochloric acid.3. Electrodes are lead and copper.4. Capacity is expressed in ampere -hour.What of the above statements are correct ? 

1. 1 and 2
2. 2 and 3
3. 3 and 4
4. 1 and 4