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Byju's Answer
Standard X
Physics
Drift Velocity
Define relaxa...
Question
Define relaxation time of electrons drifting in a conductor.How is it related to the drift velocity of free electrons?Use this relation to deduce the expression for electrical resistivity of the material.
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Solution
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Similar questions
Q.
Define relaxation time of the free electrons drifting in a conductor: How is it related to the drift velocity of free electrons? Use this relation to deduce the expression for the electrical resistivity of the material.
Q.
Find the relation between drift velocity and relaxation time of charge carries in a conductor. A conductor of length 'L' is connected to a d.c. source of emf 'E'. If the length of the conductor is tripled by stretching it, keeping 'E' constant, explain how its drift velocity would be affected.
Q.
Find the relation between drift velocity and relaxation time of charge carriers in a conductor. A conductor of length
L
is connected to a d.c. The source of emf
′
E
′
. If the length of the conductor is tripled by stretching it, keeping
′
E
′
constant, explain how its drift velocity would be affected.
Q.
(i) Derive an expression for drift velocity of free electrons.
(ii) How does the drift velocity of electrons in a metallic conductor vary with an increase in temperature ? Explain.
Q.
Drive an expression for drift velocity of free electrons in a conductor.
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