mag doubt help plz

JEE Mains Questions › 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

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6 Answers

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

isn't it M â‰¥ umg /i*l ??

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Kaustab Sarkar ·2010-01-01 21:17:14

no!

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akari ·2010-01-01 21:20:11

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Kaustab Sarkar ·2010-01-01 21:36:00

thanx

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

ohhh ..

thnx akari bro..

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

A

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Your Answer

Basic Integral Calculus Operators Symbols Matrix Cases

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° ∂ ∞ 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