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In a typical transmission line, the current I is very small and the voltage V is very large. A unit length of line has resistance R. For a power line that supplies power to 10000 households, we can conclude that
Average Variable Cost
The total variable costs of production divided by the quantity of output produced; it varies with the level of output.
Average-Variable-Cost Curve
A graphical representation showing how average variable costs of production vary with the level of output, typically U-shaped due to economies and diseconomies of scale.
Average Total Cost
The total cost of production (fixed and variable costs combined) divided by the number of units produced, indicating the average cost of producing each unit.
Marginal-Cost Curve
A curve that shows the cost of producing one additional unit of a good or service.
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