A Coil Lies Flat on a Tabletop in a Region

question 29

Multiple Choice

A coil lies flat on a tabletop in a region where the magnetic field vector points straight up.The magnetic field vanishes suddenly.When viewed from above,what is the direction of the induced current in this coil as the field fades?

• A) counter-clockwise then clockwise
• B) clockwise then counter-clockwise
• C) clockwise
• D) counter-clockwise
• E) There is no current induced in the coil.

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Definitions:

Price Support Program

A price support program is a governmental policy designed to maintain the market price of a good at a predetermined level, often to ensure that producers receive a minimum income.

Surplus

The situation where the quantity of a good or service produced exceeds the quantity demanded at the current price.

Competitive Market

A market structure characterized by a large number of sellers and buyers where no single market participant has the power to influence prices significantly.

Equilibrium Price

The price at which the quantity of a product offered for sale equals the quantity that consumers are willing to buy.