A Long Straight Wire Is Carrying a Current of 2 $^{\circ}$

question 44

Multiple Choice

A long straight wire is carrying a current of 2.4 A in a region where the magnetic field is perpendicular to the wire.If the magnetic field is 0.52 mT and makes a 60 $^{\circ}$ angle with the wire,what is the magnitude of the force on 3.0 m of the wire?

• A) 3.2 N
• B) 6.5 N
• C) 1.6 \(\times\) 10^-3 N
• D) 3.2 \(\times\) 10^-3 N
• E) 6.5 \(\times\) 10^-3 N

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Definitions:

Negative Externality

A cost that affects a party who did not choose to incur that cost, often arising from production or consumption of goods and services.

Socially Optimal Quantity

The level of production or consumption that maximizes social welfare, considering all costs and benefits to society.

Equilibrium Quantity

The quantity of goods or services bought and sold at the equilibrium price, where demand equals supply.

Negative Externality

occurs when the production or consumption of a good or service imposes costs on third parties not directly involved in the transaction.