Physics · Current Electricity
A battery of emf E is connected across a conductor PQ of length 'l' having a non-uniform cross-section such that the radius decreases from P to Q (r2 < r1). As one moves from P to Q, which of the following statements is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Current density decreases.
- 2Electron current decreases.
- 3Electric field decreases.
- 4Drift velocity of electrons increases.✓
Correct answer
Drift velocity of electrons increases.
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