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Physics
A charged particle is moving in an electric field of 3 × 10-10 Vm -1 with mobility 2.5 × 10-6 m 2 / v / s, its drift velocity is
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Q. A charged particle is moving in an electric field of $3 \times 10^{-10} \,Vm ^{-1}$ with mobility $2.5 \times 10^{-6} m ^{2} / v / s$, its drift velocity is
KCET
KCET 2022
Current Electricity
A
$2.5 \times 10^{4} \,m / s$
13%
B
$1.2 \times 10^{-4} \,m / s$
25%
C
$7.5 \times 10^{-4} \,m / s$
47%
D
$8.33 \times 10^{-4} \,m / s$
15%
Solution:
$\mu=\frac{V_{d}}{E} \Rightarrow V_{d}=\mu E$