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Jack asked in Science & MathematicsPhysics · 2 months ago

A particle of charge +q moves toward two long current-carrying wires at a right angle as shown in the diagram at right. ?

A particle of charge +q moves toward two long

current-carrying wires at a right angle as shown in the

diagram at right. If the distance between the wires is r, find

the force on the particle when the particle is a distance r

away from the nearest wire.

Multiple Choice (Answers in photo below)

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1 Answer

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  • 2 months ago

    By B = µoi/2πr

    =>B1 (due to near one) = µoi/2πr (upward)

    & B2 (due to far one) = µoi/4πr (downward)

    =>B(total) = B1 - B2 = µoi/4πr (upward)

    Thus By F = qvB

    =>F = qvµoi/4πr

    =>(B)

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