A charged particle having drift velocity of 7.5 × 10^–4 m s^–1 in an electric field of 3 × 10^–10 Vm^–1
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16/09/2020 11:56 am
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A charged particle having drift velocity of 7.5 × 10–4 m s–1 in an electric field of 3 × 10–10 Vm–1, has a mobility in m2 V–1 s–1 of :
(1) 2.5 × 106
(2) 2.5 × 10–6
(3) 2.25 × 10–15
(4) 2.25 × 1015
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16/09/2020 11:57 am
Correct answer: (1) 2.5 × 106
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