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  • When a potential difference is applied across the ends of a conductor, how is the drift velocity of the electrons related to the relaxation time ?      

When a potential difference is applied across the ends of a conductor, how is the drift velocity of the electrons related to the relaxation time ?

 

 

 

 
 
 
 
 

Answers (1)

best_answer

The relation of drift velocity with electric field is given by

v_d=\frac{Ee}{m}\tau

 E=\frac{V}{l}

Therefore

v_d=\frac{Ve}{lm}\tau

Where 

vd is drift velocity, V is the potential difference applied across the ends of the conductor

l is the length of the conductor, \tau is the relaxation time and e and m are charge and mass of the electron respectively.

Posted by

rishi.raj

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