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प्रश्न
Write the expression for the Lorentz force F in vector form.
उत्तर
`vec"F" = "q"(vec"V" xx vec"B" + vec"E")` - Notation have usual meaning, `vec"F"` is the total force experienced by a moving charged particle in a magnetic field `vec"B"` and electric field `vec"E"`.
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