What is electricity?

what is electricity

Ye video, jo aap apne smartphone pe dekh rahe ho ye sab electricity ki madad se hi ho raha hai.  Electricity ka humari daily life mein bhot important role hai, smartphone se leke electric cars har, jaga bijli ka use ho raha hai. Electricity ek energy hai, ye 2 tarah ki hoti hai, static electricity … Read more

How walkie talkie works?

How walkie talkie works

Bachpan mein walkie talkie se to app sabhi khele hoge, kya apko pta hai ki ye kaam kese krte hai? 1930s mein, sabse pehla walkie-talkie Canadian inventor ne banaya tha. Walkie talkie kuch componenets ki madad se chalta hai jesi ki transmiter, jo message ko bhejta aur recieve krta hai,  antenna jo hawa mein radio … Read more

What is a UPS?

What is a UPS

  Inverter ke baare mein to aap sab hi jante hoge lekin kya apko UPS ke baare mein pta hai?    Aiye jante hai. UPS means uninterruptible power supply yani bina rukawat wali power supply, ye device power cut hone per bhi humare systems ko bina ruke power supply krta hai. Devices jesse ki Routers, … Read more

How is a bridge built over water?

How is a bridge built over water

Kya apne socha hai ki sea ya river me Bridge ke pillars kaise lgaye jate hai? Ek bridge ko paani ke upar banane ke teen tareeke hote hain. Pehla tareeka hai cofferdams. Is method mein jahan par bridge ka pillar banana hota hai, ussi jagah ek temporary structure tayar kiya jata hai jo pillar ki … Read more