The Force on a Current-Carrying Wire in a Magnetic Field

question 16

Multiple Choice

The force on a current-carrying wire in a magnetic field is equal to zero when

• A)the current is parallel to the field lines.
• B)the current is at a 30° angle with respect to the field lines.
• C)the current is at a 45° angle with respect to the field lines.
• D)the current is at a 60° angle with respect to the field lines.
• E)the current is perpendicular to the field lines.

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Definitions:

Opportunity Cost

Forgoing possible benefits from other options by selecting a particular one.

Straight Lines

Lines in a geometric space that have the same direction throughout and no curvature.

Foreign Trade

The exchange of goods and services between countries.

Economic Output

The total value of all goods and services produced by an economy over a specified period of time.