There Is a Current I Flowing in a Clockwise Direction

question 39

Multiple Choice

There is a current I flowing in a clockwise direction in a square loop of wire that is in the plane of the paper.If the magnetic field B is toward the right, and if each side of the loop has length L, then the net magnetic torque acting on the loop is:

• A)2ILB.
• B)ILB.
• C)IBL².
• D)zero.

---

Definitions:

Variable Cost

Costs that vary in direct proportion to changes in the level of production or sales volume.

Fixed Cost

Fixed expenditures, including rent, salaries, and insurance, that are unaffected by changes in production or sales volumes.

Contribution Margin Ratio

A measure indicating the percentage of each sales dollar that contributes to covering fixed costs and generating profit, calculated as (Sales Revenue - Variable Costs) / Sales Revenue.

Fixed Costs

Costs that do not vary with the level of production or sales, such as rent, salaries, and insurance premiums, providing predictability in budgeting.