Скачать или смотреть DIY Hot Wire Foam Cutter using Nichrome Wire, Portable and Rechargeable Battery Powered

[EN] In this video, we’ll learn how to make a hot wire foam cutter using the correct specification Nichrome wire. The video explains how to choose the right wire and why it’s important. For a complete step-by-step tutorial and detailed technical and safety instructions, make sure to watch the full video.

[UR] Is video mein hum seekhen ge ke hot wire foam cutter kaise banaya jata hai, aur us ke liye sahi specification ki Nichrome wire use karna kyun zaroori hota hai. Video mein yeh bhi bataya gaya hai ke sahi wire kaise choose ki jati hai. Step-by-step guide, technical details aur safety instructions ke liye poori video zaroor dekhein.

Key Concepts / Learning Points:

• Electrical Resistance & Heat: Nichrome wire ki high resistance ki wajah se jab current guzarta hai to wire heat generate karti hai.

• Joule Heating Effect: Jab electric current kisi resistance se guzarta hai, to electrical energy heat energy mein convert hoti hai — isi principle par hot wire cutter kaam karta hai.

• Material Selection in Engineering: Har wire suitable nahi hoti. Sirf Nichrome wire heat tolerate karti hai bina melt ya short circuit kiye.

• Closed Electrical Circuit: Battery, switch, wires aur nichrome wire mil kar ek complete circuit banate hain, jisse current flow possible hota hai.

• Role of Switch: Switch circuit ko safely ON aur OFF karne ke liye use hota hai, jo overheating aur battery damage se bachata hai.

• Mechanical Stability: Screws, nuts aur tape ka use wire ko stable aur tension mein rakhne ke liye hota hai, taa ke cutting smooth rahe.

• Energy Conversion: Chemical energy (battery) → Electrical energy → Heat energy → Mechanical work (foam cutting).

• Safety in DIY Projects: Correct wire, proper insulation aur controlled power use karna safety ke liye bohat zaroori hota hai.

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