A Charged Particle Moving Along the +X-Axis Enters a Uniform $\vec { B }$

question 60

Multiple Choice

A charged particle moving along the +x-axis enters a uniform $\vec { B }$ field pointing along the +z-axis.A uniform electric field is also present.Due to the combined effect of both fields,the particle does not change its velocity.What is the direction of the electric field?

• A)along the -y-axis
• B)along the +y-axis
• C)along the -x-axis
• D)along the +x-axis
• E)along the -z-axis

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Definitions:

Operationally Defined

A clear, precise definition of a term in an experiment, specifying the procedures used to measure or manipulate it.

Uncorrelated

Referring to two or more variables that do not have any statistical relationship, meaning changes in one do not predict changes in the other.

Incidence

The occurrence, rate, or frequency of a disease, crime, or something else undesirable.

Dental Disease

A range of conditions that affect the health of the teeth and gums, including cavities, gum disease, and oral cancer.