A Vertical Wire Carries a Current Vertically Upward in a Region

question 15

Multiple Choice

A vertical wire carries a current vertically upward in a region where the magnetic field vector points toward the north.What is the direction of the magnetic force on this current due to the field?

• A) downward
• B) toward the north
• C) toward the south
• D) toward the east
• E) toward the west

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Definitions:

Marginal Cost Curve

A graphical representation showing how the cost to produce one additional unit of a product changes as production volume increases.

Economies of Scale

The financial advantages achieved by companies through their operational size, with unit costs usually dropping as the scale of production increases.

Average-Fixed-Cost Curve

A graphical representation showing how the fixed cost per unit changes with changes in the volume of production.

AVC Curve

The Average Variable Cost (AVC) curve represents how the per-unit variable cost of production changes as the quantity of output changes.