Question

Where does a torch get electricity from ?

Answer 1

• It is a well known fact that power= work done/ tome taken

• Here work done for A=x Joules

• Work done for B= x Joules (Work done for a and b are same)

• Time taken by A to do the work= 1s

• Time taken by B to do the work= 2sec

• Ratio= Work done by A/Work done by B =W/1/W/2 = 2:1

• In short, the ration between the powers of A and 8 is 2:1