1997

AIEEE 2015 Questions › Electricity and magnetism questions › 1997

A steady currentflows in metallic conductor of non uniform crossection.Quantity which are constant along length opf wire
a)drift speed
b)current

ans is curent but how cna it be true becoz I=ne²AEÏ„/m

#Physics #Electricity and magnetism

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Philip Calvert ·2010-03-16 00:32:02

yaar current will always be constant.... due to non creation and non accumulation of charges.. !?!

This is the only question they keep on asking in this chapter ...

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govind ·2010-03-16 00:32:41

Eureka Drift speed depends upon Electric Field which dpends upon area..
But the term EA = Q_in/Îµ₀..which is constant...
so there will be no effect on current..

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Basic Integral Calculus Operators Symbols Matrix Cases

√ √ || {} [] () → ~ ^ x x x → → ln log lg lim lim cos sin tan cot arcsin arccos arctan

∫ ∫ ∫ ∫ ∫ ∬ ∬ ∬ ∬ ∬ ∭ ∭ ∭ ∭ ∭ ⨌ ⨌ ⨌ ⨌ ⨌

∑ ∑ ∑ ∑ ∑ ∮ ∮ ∮ ∮ ∮ ∏ ∏ ∏ ∏ ∏ ∐ ∐ ∐ ∐ ∐

+ - × ÷ ± ∓ = ∪ ∩ ≠ ∼ ≈ ∅ ∀ ∃ ∈ ∋ ∝ ≤ ≥ ≃ ≅ ≡ < > ≪ ≫ ⊂ ∉ ⊃ ⊆ ⊇ ⇒ ⇐ ⇔ ⇒ ⇐ ⇔ ⇑ ⇓ ⇕ → ← ↔ → ← ↔ ↑ ↓ ↕ ↖ ↗ ↘ ↙ ↪ ↩ ⇀ ↼ ⇁ ↽

° ∂ ∞ α β γ δ θ λ μ ν ξ π ρ σ φ ω ε ƒ κ τ υ Γ Δ Λ Σ Π Ω

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1997

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