Examlex
As shown in the figure,two parallel wires carry a current I in opposite directions,and this current is decreasing.A rectangular loop is centered between the wires.The direction of the induced current through the resistor R is
Demand
The willingness and ability of consumers to purchase goods or services at various prices at a given time.
Industry
A collection of businesses and companies that produce similar goods or offer similar services within an economic sector.
Invisible Hand
A metaphor coined by Adam Smith to describe how individuals pursuing their self-interest unwittingly contribute to the economic prosperity of society.
Market System
An economic approach wherein the processes of investment, manufacturing, and goods distribution are directed by supply-demand correlation, with a system that freely sets the prices of goods and services.
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