Question

what is the advantage of using an electric switch is an electric circuit​

Answer 1

Explanation:

Its beneficial to have ka key or electrical switch on your circuit as this enebles the option to control the flow of current in tge circuit .

Now you may tell we can just on and off by the main switch so its not always possible and also harms the apparatus as it may sometimes give overload .

Answer 2

Answer:

objects that allow light to pass through them

hope this helps you