Two Long, Parallel Wires Carry Currents of Different Magnitudes $4 .$

question 154

Multiple Choice

Two long, parallel wires carry currents of different magnitudes. If the amount of current in one of the wires is doubled, what happens to the magnitude of the force that each wire exerts on the
Other?

• A) It is increased by a factor of 8 .
• B) It is increased by a factor of \(4 .\)
• C) It is increased by a factor of \(2 .\)
• D) It is increased by a factor of 3 .
• E) It is increased by a factor of \(\sqrt { 2 }\)

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Definitions:

Labor Market

A marketplace where labor services are bought (by employers) and sold (by workers), determining the allocation of labor resources and wages.

Equilibrium

A state in a market where the quantity supplied equals the quantity demanded, leading to a stable situation where there is no tendency for change.

Economic Rents

Payments made to a factor of production in excess of what is needed to keep it in its current use.

Supply Of Land

The total available land that can be used for agriculture, construction, or other purposes, often considered fixed in the short term.