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Write an expression in a vector form for...

Write an expression in a vector form for the Lorentz magnetic force `vecF` on a charge Q moving with velocity `vecV` in a magnetic field `vecB`. What is the direction of the magnetic force?

Text Solution

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Lorentz force, `vecF=q(vecvxxvecB)`
Obviously, the force on charged particle is perpendicular to both velocity `vecv` and magnetic field `vecB`.
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