A Wire of Length L Carries a Current I, Going

question 2

Multiple Choice

A wire of length L carries a current I, going from west to east, in the presence of a magnetic field B that is pointing vertically up. The wire moves a distance d to the south. The work done by the magnetic force on the moving charges is

• A) "+ILlBd."
• B) "-ILBd."
• C) "+IL²B/d."
• D) "-IL²B/d."
• E) "zero."

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Definitions:

Tentative Support

Tentative support refers to provisional or hesitant assistance that may not be fully reliable or committed.

Correlational Study

A research method that examines the relationship or association between two or more variables without manipulation by the experimenter.

Case Study

A detailed investigation of a single individual, group, event, or community, typically used for research and learning purposes.

Control Group

A group in a scientific experiment where the experimental procedure is applied, except for the variable being tested, serving as a comparison to determine the effect of the treatment.