MCQ
धारा (i) और अपवहन वेग $v _{ d }$ में सम्बन्ध है-
- ✓$i =$ neA $v_{ d }$
- B$i =\frac{ neA }{ v _{ d }}$
- C$i =\frac{\operatorname{nev}_{ d }}{ A }$
- D$i =\frac{ ne }{ Av _{ d }}$
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