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Practical applications of heating effect

The filament ...

Question

The filament of an electric bulb is of tungsten because

A

its resistance is negligible.

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B

it is cheaper.

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C

its melting point is high.

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D

filament is easily made.

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Solution

The correct option is B its melting point is high.
The reason tungsten is used is because it has the highest melting temperature of any element at 3600 K.

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