Physics · Current Electricity
Two identical conductors of lengths l and 3l respectively are maintained at the same temperature. They are given potential differences in the ratio 1 : 3. The ratio of the drift velocities of electrons in them is:
- 11 : 3
- 21 : 1✓
- 39 : 1
- 41 : 9
Correct answer
1 : 1
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