A Negatively Charged Particle -Q Is Moving to the Right,directly

question 70

Multiple Choice

A negatively charged particle -Q is moving to the right,directly above a wire having a current I through it to the right,as shown in the figure.In what direction is the magnetic force exerted on the particle by the current-carrying wire?

• A)into the page
• B)out of the page
• C)downward
• D)upward
• E)The magnetic force is zero because the velocity is parallel to the current.

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