AP EAMCET · PHYSICS · Current Electricity
The drift velocity of electrons in a conducting wire connected to a cell is \(\mathrm{V}_{\mathrm{d}}\). If the length of the wire is doubled and area of cross-section is halved then the drift velocity of electrons becomes.
- A \(\mathrm{V}_{\mathrm{d}}\)
- B \(\frac{V_d}{2}\)
- C \(2 \mathrm{~V}_{\mathrm{d}}\)
- D \(4 V_d\)
Answer & Solution
Correct Answer
(B) \(\frac{V_d}{2}\)
Step-by-step Solution
Detailed explanation
Drift velocity is given by…
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