Question

A 12V car battery has a capacity of 100 Ah (100 Ah means it can supply 100 A for 1 hour or 50 A for 2 hours etc.,). What is the energy stored in the battery? If a car’s light needs 100W, find how long the battery can keep the lights burning when the engine is not running? ​

Answer 1

Answer:

Answer :-

\begin{gathered} \bold{103 \times 107 }\\ \\ \bold{ \implies(100 + 3) \times (100 + 7)} \: \: \: \: \: \: \: \: \: \: \\ \\ \bold{ \implies 100(100 + 7) + 3(100 + 7)} \\ \\ \bold{ \implies \: 10000 + 700 + 300 + 21} \: \: \: \: \\ \\ \bold{ \implies 10700 + 321} \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \\ \bold{ \implies\underline{ \underline{11021}}} \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \end{gathered}

103×107

⟹(100+3)×(100+7)

⟹100(100+7)+3(100+7)

⟹10000+700+300+21

⟹10700+321

⟹

11021

so, the right answer is 11021

hope it helps you