Question

We use the battery of 1.5 volt in the wrist watches , it is known to everyone
But if collect 8 pieces of the battery of 1.5 volt , the will we able to use it in our cars.
Becausewe do use battery of 12 volts in our cars. Give reason , and explain it ?

Answer 1

• By using 8 pieces wrist watch batteries of 1.5 V used in series, it is possible to get 12 volts.
• But, the energy stored in wrist watch battery is very small, which is not sufficient to be used in cars.
• Moreover, it cannot supply the current required in cars.
• Hence, it is not possible to use wrist watch batteries in cars.