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प्रश्न
The identical conductors maintained at same temperature are given potential difference in the ratio 1 : 2. Then the ratio of their drift velocities is ______.
पर्याय
1 : 2
3 : 2
1 : 1
1 : 4
MCQ
रिकाम्या जागा भरा
उत्तर
The identical conductors maintained at same temperature are given potential difference in the ratio 1 : 2. Then the ratio of their drift velocities is 1 : 2.
Explanation:
Drift velocity
or `"V"_"d" = "eE"/"m" tau = ("e"tau"V")/"mL" [because "E" = "V"/"L"]`
`"V"_"d" prop "V" therefore ("V"_("d"_1))/("V"_("d"_2)) = "V"_1/"V"_2`
`"V"_("d"_1)/"V"_("d"_2) = 1/2`
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