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The drift velocity of the electrons in a copper wire of length 2 m under the application of a potential difference of 200 V is 0.5 ms⁻¹. Their mobility is (in m² V⁻¹ s⁻¹)
Options
(a) 2.5×10⁻³
(b) 2.5×10⁻²
(c) 5×10²
(d) 5×10⁻³
Correct Answer:
5×10⁻³
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Good
i want expLanation
d = 2cm
v=200v
vd= 0.5m/s
mobility= vd/E
E=(vd)(d)/V
= 0.5/200(2) = 0.5/100 = (5)(10)-3 m2v-1s-1