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प्रश्न
In an electric bulb, coil of _______ metal is used.
विकल्प
copper
tungsten
aluminium
iron
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उत्तर
In an electric bulb, coil of tungsten metal is used.
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संबंधित प्रश्न
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What property of the filament wire accounts for this difference?
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Identify the figure and give its use.
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