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Explain the following:(a) Why is tungsten used almost exclusively for filament of electric lamps?(b) Why are copper and aluminium wires usually used for electricity transmission?(c)Why is nichrome alloy used for making elements of electric irons? |
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Answer» Explain the following: (a) Why is tungsten used almost exclusively for filament of electric lamps? (b) Why are copper and aluminium wires usually used for electricity transmission? (c)Why is nichrome alloy used for making elements of electric irons? |
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