A Long Straight Wire on the Z-Axis Carries a Current

question 8

Multiple Choice

A long straight wire on the z-axis carries a current of 6.0 A in the positive direction. A circular loop in the xy-plane, of radius 10 cm, carries a 1.0-A current, as shown in the figure. Point P, at the center of the loop, is 25 cm from the z-axis. An electron is projected from P with a velocity of 1.0 × 10⁶ m/s in the negative x-direction. What is the y component of the force on the electron? (e = 1.60 × 10^-19 C, μ0 = 4π × 10^-7 T ∙ m/A)

• A) -1.0 × 10^-18 N
• B) +1.0 × 10^-18 N
• C) -2.0 × 10^-18 N
• D) +2.0 × 10^-18 N
• E) zero

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Definitions:

Retrograde Amnesia

The inability to recall memories of events or knowledge acquired before experiencing an injury or developing a disease.

Retroactive Interference

is a psychological phenomenon where newly learned information interferes with and impairs the recall of previously learned information.

Free Recall

A process in memory psychology where an individual is asked to remember information in any order without cues.

Cued Recall

A memory retrieval process in which cues are given to elicit the recall of information, enhancing the ability to remember previously learned material.