Physics · Current Electricity
20 cm लंबाई के एक चालक तार के सिरों पर विभवांतर 30 V है। यदि इलेक्ट्रॉन की गतिशीलता (mobility) 2 × 10-6 m2V-1s-1 है, तो इलेक्ट्रॉनों का अपवाह वेग (drift velocity) है:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 13 × 10-4 ms-1✓
- 21.5 × 10-4 ms-1
- 31.5 × 10-3 ms-1
- 43 × 10-3 ms-1
सही उत्तर देखें
3 × 10-4 ms-1
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