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The drift velocity of free electrons in a conductor is v, when a current i is flowing in it, Ifboth the radius and current are doubled, then the drift velocity will be :
If mu is the mobility of free electrons inside a conductor , then mu is independent of
(A) : Free electrons always keep on moving in a conductor even then no magnetic force act on them in magnetic field unless a current is passed through it. (R) : The average velocity of free electron in a conductor is zero in the absence of the electric field in it.
The drift velocity of free electrons in a conductor of length 6 m is 0.25 ms^(-1) under the application of potential difference of 100 V. The mobility of free electrons is
State Ohm' law and deduce it from the knowledge of drift velocity of free electrons in a conductor carrying current.
When electric field inside a conductor is E, mobility of free electrons inside the conductor is mu . When the electric field is doubled mobility will be
if E denotes electric field in a uniform conductor and v_(d) the corresponding drift velocity of free electrons in the conductor, then which of the following graph is correct
Mobility of free electrons in a current carrying conductor is proportional to (1) Relaxation time (2) Electric field (3) Potential difference (4) All of these
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 ?
How does the mobility of electrons in a conductor change, if the p.d. applied across the conductor is doubled, keeping its length and temperature constant?
