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(2) Give scientific reason :In the electric equipment producing heat e.g. iron, electric heater,boiler, toaster etc., an alloy such as Nichrome is used, not puremetals. |
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Answer» In the electric equipment producing HEAT, such as IRON, electric heater, boiler, toaster etc., an alloy such as Nichrome is used, not pure metals because of the following reasons: (i) Resistivity of Nichrome is more compared to pure metal. ... (iii) Nichrome does not GET oxidised when heated in air whereas metal does. |
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