A Wire Loop of Radius 0

question 80

Multiple Choice

A wire loop of radius 0.250 m is placed in a uniform magnetic field of magnitude 0.740 T. The field is directed perpendicular to the plane of the loop.
-If the area of the loop increases at a rate of area 1.50 * 10^-3 m²/s,what is the magnitude of the emf induced in the coil?

• A)1.11 mV
• B)3.00 mV
• C)0.218 mV
• D)0.589 mV

---

Definitions:

Royal Families

Dynastic families who traditionally rule a country as monarchs, often passing leadership from one generation to the next.

Mercantilism

An economic theory and practice, dominant in Europe from the 16th to 18th centuries, that advocated government regulation of a nation’s economy for the purpose of augmenting state power at the expense of rival national powers.

National Wealth

The total value of all economic assets owned by a country, including natural resources, capital goods, and human capital, minus its liabilities.

Economic Activity

Pertains to the action of producing, buying, selling goods and services, and making money within an economy.