When an Electric Current Exists Within a Conducting Wire, Which

question 17

Multiple Choice

When an electric current exists within a conducting wire, which of the following statements describes the condition of any accompanying electric field?

• A) must be perpendicular to current flow
• B) must be parallel to current flow
• C) must be zero
• D) must be anti-parallel (opposite direction) to current flow

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Definitions:

Variable Costs

Costs that change in proportion to the level of production or sales volume, such as raw materials and direct labor.

Dollar Contribution Margin

The difference between total sales revenue and total variable costs, expressed in absolute currency terms.

Variable Cost

Costs that change in proportion to the level of production activity or volume, such as raw material costs and direct labor costs.

Fixed Cost

A cost that remains constant, in total, regardless of changes in the level of activity within the relevant range. If a fixed cost is expressed on a per unit basis, it varies inversely with the level of activity.