Question

बच्चों के खेलने की सामग्री में प्राचीन काल से अभी तक क्या परिवर्तन आया है ? अपने विचार व्यक्त कीजिए?​

Answer 1

Explanation:

Nichrome (also known as NiCr, nickel-chromium or chromium-nickel) is a family of alloys of nickel, chromium, and often iron (and possibly other elements) commonly used as resistance wire, heating elements in things like toasters and space heaters, in some dental restorations (fillings) and in a few other applications.