Make a testing board for low resistance electric machine Urdu & Hindi video tutorial

Learn home wiring video course part 18

Last class we learn from our last's class video tutorial that how to make a series testing board by two pin socket and bulb. We can test all electric machine and we can find start, run and common wire of electric single phase motor by using the series testing board. We also check short circuit in electric machine by using testing board. However you will learn step by step in this blog.
In today class we make another testing board which have use a single way switch more. We can test low resistance electric machine by using this testing board.
Here is a video tutorial in which i shown a diagram and tech every step that how to make a series testing board for testing low resistance machine.
Kindly watch the below video tutorial for better understanding,

If you did not understand any step of this class then do ask me in comments section. I will be very happy to do answer you question. This is our 17th part of Learning home wiring in Urdu & Hindi. However if you do not watch our last's classes video tutorials then kindly watch.