How electric train works only in one wire??
9:45
Why Electric train needs 25000 volts??
11:38
Don't charge your phone up to 100%..
7:23
Railway power lines | The Art of keeping them STRAIGHT
11:14
Why our home is supplied with Alternating Current? AC and DC which is better? _Tamil
15:33
வீட்டில் இதை பொருத்தினால் shock அடிக்காதா?😱😱 Shock proof Electricity??
29:05
முதன் முதலாக ஒரு ஹெலிகாப்டர் ரிவ்யூ ? அடடா என்ன ஒரு பயணம் - Tirupur Mohan
12:59
I tried to Power my Home with Wind Generators! (Worth it?)
15:58