The Current in a Long Wire Creates a Magnetic Field

question 100

Multiple Choice

The current in a long wire creates a magnetic field in the region around the wire.How is the strength of the field at distance r from the wire center related to the magnitude of the field?

• A)field directly proportional to r
• B)field inversely proportional to r
• C)field directly proportional to r²
• D)field inversely proportional to r²

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Definitions:

ABC Analysis

A method for dividing on-hand inventory into three classifications based on annual dollar volume.

Tightly Controlled

Describes systems or processes that are managed with strict regulations or rules to ensure desired outcomes.

Setup Time

The duration required to prepare or adjust equipment before a production process begins, minimizing this time can increase efficiency.