A Straight Wire of Length Is Oriented East-West and Is

question 38

Multiple Choice

A straight wire of length is oriented east-west and is in a magnetic field B pointing north.The wire is moving downward at a constant speed v.If the resistance of the rod is R, what is the current through the rod?

• A)R/B v
• B)B v/R
• C)B^{2 2}v²/R²
• D)not given

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