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| 1. |
The filament of electric bulb is made up of : |
| Answer» <html><body><p> Tungsten</p><br/><br/><p>The filament of an electric bulb is made of tungsten because it has some amazing properties including the <a href="https://interviewquestions.tuteehub.com/tag/highest-1022683" style="font-weight:bold;" target="_blank" title="Click to know more about HIGHEST">HIGHEST</a> melting point (3422<sup>o</sup>C), lowest <a href="https://interviewquestions.tuteehub.com/tag/vapor-1442821" style="font-weight:bold;" target="_blank" title="Click to know more about VAPOR">VAPOR</a> <a href="https://interviewquestions.tuteehub.com/tag/pressure-1164240" style="font-weight:bold;" target="_blank" title="Click to know more about PRESSURE">PRESSURE</a>, and greatest <a href="https://interviewquestions.tuteehub.com/tag/tensile-1241684" style="font-weight:bold;" target="_blank" title="Click to know more about TENSILE">TENSILE</a> strength out of all the metals.</p></body></html> | |