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15 May, 01:38

we discussed a charged particle moving through crossed fields with the forces F_E and F_B in opposition. We found that the particle moves in a straight line (that is, neither force dominates the motion) if its speed is v = E/B. Which of the two forces dominates if the speed of the particle is v E/B? F_E F_B

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  1. 15 May, 03:35
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    Magnetic force = Bqv

    Electric force = E q

    Magnetic force = electric force

    Bqv = Eq

    v = E / B

    If v is less than E / B, magnetic force will become feeble because magnetic force is dependent on velocity of charged particle. (magnetic force = Bqv)

    Contrary to it, if v is more than E / B magnetic force will become stronger.
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