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The drift velocity per unit electric field is called:
AMobility
BModality
CMolarity
DMorality
Answer & Solution
Correct answer: A. Mobility
1. The ratio of drift velocity to field has its own name.
2. It is called mobility.
3. So the correct answer is mobility.
_Source: NCERT Class 12 Physics Part I, Ch 3 'Current Electricity'_
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