A charged particle moving along the +x-axis enters a uniform magnetic field pointing along the +z-axis.Because of an electric field along the +y-axis,the charge particle does not change velocity.What is the sign of this particle?
A)positive
B)negative
C)The particle could be either positive or negative.
D)None of the above choices is correct.

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The Answer of A charged particle moving along the +x-axis enters a uniform magnetic field pointing along the +z-axis.Because of an electric field along the +y-axis,the charge particle does not change velocity.What is the sign of this particle?
A)positive
B)negative
C)The particle could be either positive or negative.
D)None of the above choices is correct.

A Charged Particle Moving Along the +X-Axis Enters a Uniform