Question

A positively charged particle moves in the positive z-direction. The magnetic force on the particle is...

A positively charged particle moves in the positive z-direction. The magnetic force on the particle is in the positive y-direction. What can you conclude about the z-component of the magnetic field at the particle’s position?

A. Bx > 0

B. Bx ​= 0

C. Bx ​< 0

D. Not enough information to decide

THE ANSWER IS NOT D ACCORDING TO MY PROFESSOR. PLEASE EXPLAIN.

Science   Advanced-Physics   
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