A Conducting Bar Moves to the Left at a Constant

question 36

Multiple Choice

A conducting bar moves to the left at a constant speed v on two conducting rails joined at the left as shown. As a result of the bar moving through a constant magnetic field, a current I is induced in the indicated direction. Which one of the following directions is that of the magnetic field?

• A)toward the right
• B)toward the left
• C)parallel to the long axis of the bar
• D)into the page
• E)out of the page

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Definitions:

U.S. Coal

Coal mined in the United States, a key natural resource used for electricity generation and manufacturing processes.

Distribution System

The network used to distribute goods or power from a source to end users.

Decision

The process of choosing among different options or actions based on certain criteria or considerations to achieve a desired outcome.