Question

if R is equal to 10 cm and m =? if u=1/2v and v=2f​

Answer 1

Explanation:

E=d/V

Given,

V=5v

d=10cm=0.1m

Vd=2.5×10−2cms−1=2.5×10−4ms−1∴E=5/0.1=50Vm^−1

Mobility  of an electron is it's drift velocity per unit electric field.

∴μ=E/Vd

μ=2.5×10^−4/50

=5×10^−6m^2V^−1s^−1

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