A Positively Charged Particle Has a Velocity in the Negative

question 3

Multiple Choice

A positively charged particle has a velocity in the negative z direction at point P.The magnetic force on the particle at this point is in the negative y direction.Which one of the following statements about the magnetic field at point P can be determined from this data?

• A)Bx is positive.
• B)Bz is positive.
• C)By is negative.
• D)By is positive.
• E)Bx is negative.

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