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How does the mobility of electrons …

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How does the mobility of electrons in a conductor change if the potential difference applied across the conductor is doubled keeping the length and temperature of the conductor constant

Posted by Manya Srivastava 6 years, 6 months ago

CBSE > Class 12 > Physics

1 answers

Sia ? 6 years, 6 months ago

Electron mobility of a conductor, {tex}\mu = \frac{{e\tau }}{m}{/tex} and {tex}\tau \propto T{/tex}

When the temperature of the conductor increases, the relaxation time {tex}\tau {/tex} of free electrons increases. So mobility {tex}\mu{/tex} increases.

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