NCERT In-text 11.5 — Q4 - Electricity
Question: Why are coils of electric toasters and electric irons made of an alloy rather than a pure metal?
Answer: Alloys such as nichrome have higher resistivity than pure metals and do not oxidise easily at high temperatures. Therefore they produce sufficient heat without melting or burning, making them ideal...
Full step-by-step NCERT solution with diagrams on Something by Zero.