surely silly...but can't help :(

JEE Mains 2015 Preparation › Electricity and magnetism questions › well/////////surely silly...but can't help :(

if V=0,E must be zero.....................

is above statement correct??

ans. is it is incorret................but why i can't get it............if we differentiate a constant we get zero only na.............then y...........plz xplain

#Physics #Electricity and magnetism

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Asish Mahapatra ·2009-07-14 10:49:32

Say V=2x²-8
Then E=4x
V=0 at x=2
But is E=0 at x=2??

The mistake u r doing is taking V as constnt

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JOHNCENA IS BACK ·2009-07-14 10:52:15

yes thanx

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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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well/////////surely silly...but can't help :(

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