The Magnetic Torque Exerted on a Flat Current-Carrying Loop of Wire

question 18

Multiple Choice

The magnetic torque exerted on a flat current-carrying loop of wire by a uniform magnetic field is:

• A)maximum when the plane of the loop is perpendicular to
• B)maximum when the plane of the loop is parallel to
• C)dependent on the shape of the loop for a fixed loop area
• D)independent of the orientation of the loop
• E)such as to rotate the loop around the magnetic field lines

---

Definitions:

Short-Run Equilibrium

A state in which supply and demand are balanced at a particular price level within a short timeframe, before any significant external changes can occur.

Total Cost

The entire cost of production including both fixed and variable costs.

Marginal Cost

The upsurge in total financial outlay occasioned by the production of one supplementary unit of a product or service.

Marginal Revenue

The additional revenue that a firm gains when it sells one more unit of a product.