Examlex
Equipotential lines and electric field lines meet perpendicular to one another.
One Buyer
A market condition known as a monopsony, where there is only one buyer for a particular product or service, giving that buyer significant control over prices.
Marginal Revenue
The extra revenue obtained from the sale of an additional unit of a product or service.
Substitutes
Goods or services that can be used in place of each other, where an increase in the price of one leads to an increase in demand for the other.
Elastic
A characteristic of demand or supply where the quantity demanded or supplied responds significantly to price changes.
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