mag doubt help plz

BITSAT 2015 Discussion Forum › Electricity and magnetism questions › mag doubt help plz

A straight rod of mass m and length l can slide on 2 parallel plastic rails kept in a horizontal plane with a seperatrion dâ€¦â€¦coefficient of friction between wire and rails is uâ€¦.if current in wire is iâ€¦wat mag filed must exist in the space in order to slide the wire on rails

#Physics #Electricity and magnetism

UP 0 DOWN 0 0 6
Post on FacebookPost anonymously?

6 Answers

1

Shakexpear Allll Izzz WeLL... ·2010-01-01 21:14:36

isn't it M â‰¥ umg /i*l ??

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

Kaustab Sarkar ·2010-01-01 21:17:14

no!

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

akari ·2010-01-01 21:20:11

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

Kaustab Sarkar ·2010-01-01 21:36:00

thanx

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

Shakexpear Allll Izzz WeLL... ·2010-01-02 06:37:57

ohhh ..

thnx akari bro..

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

Jagaran Chowdhury ·2010-01-02 11:32:28

A

UP 0 DOWN 0
Post on FacebookPost anonymously?

Your Answer

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