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प्रश्न
Define the term drift velocity.
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उत्तर
The average velocity of all the free electrons in the conductor with which they get drifted towards the positive end of the conductor under the influence of an external electric field is called the drift velocity.
संबंधित प्रश्न
Explain the term ‘drift velocity’ of electrons in conductor. Hence obtain the expression for the current through a conductor in terms of ‘drift velocity’.
When electrons drift in a metal from lower to higher potential, does it mean that all the free electrons of the metal are moving in the same direction?
Consider the following statements.
(A) Free-electron density is different in different metals.
(B) Free-electron density in a metal depends on temperature.
Thomson Effect is caused _______________ .
When a current I is set up in a wire of radius r, the drift velocity is vd· If the same current is set up through a wire of radius 2 r, the drift velocity will be:
Amount of charge in coulomb required to deposit one gram equivalent of substance by electrolysis is:-
The drift velocity of a free electron inside a conductor is ______
What is the average time interval between two successive collisions of a free electron with the ions of the metallic lattice called?
Which symbol denotes relaxation time?
Which expression gives the acceleration of an electron in an electric field?
Which expression gives current density in terms of free electron density, relaxation time, and electric field?
