A Coil Lies Flat on a Tabletop in a Region

question 54

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 sense of the induced current in this coil as the field fades?

• A)The induced current flows counterclockwise.
• B)The induced current flows clockwise.
• C)There is no induced current in this coil.
• D)The current flows clockwise initially,and then it flows counterclockwise before stopping.

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Definitions:

Individual Demand Curves

Graphs showing the relationship between the price of a good and the quantity of that good a single consumer is willing to buy at various prices.

Horizontal Sum

In economics, the process of aggregating demand curves of different individuals to derive the market demand curve.

Inferior Good

A type of good whose demand decreases as consumers' income rises, contrary to what happens with normal goods.

Substitute Goods

Products or services that can be used in place of one another, where an increase in the price of one leads to an increase in demand for the other.