An Electron Moving in the Positive X Direction Experiences a Magnetic

question 57

Multiple Choice

An electron moving in the positive x direction experiences a magnetic force in the positive z direction. If B_x = 0, what is the direction of the magnetic field?

• A) negative y direction
• B) positive y direction
• C) negative z direction
• D) positive z direction
• E) negative x direction

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Definitions:

Fibularis Tertius

A small muscle in the lower leg that helps with foot eversion and extension of the toes.

Gastrocnemius

A major calf muscle that is involved in walking, running, and jumping, aiding in the bending of the knee and the plantar flexion of the foot.

Antagonistically

Describes muscles that work in opposition to each other to enable movement, as when one muscle contracts, the antagonist relaxes.

Flexor Digitorum Longus

A muscle in the lower leg that flexes the toes and helps in walking.