A Wire Carries a 4

question 5

Multiple Choice

A wire carries a 4.0-A current along the +x-axis through a magnetic field = (5.0
+ 7.0
) T. If the wire experiences a force of 30 N
As a result, how long is the wire?

• A) 1.1 m
• B) 0.87 m
• C) 1.5 m
• D) 0.63 m

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Definitions:

Public Education

A system where the government provides educational services without direct charge to households, funded by taxation.

Positive Externalities

Benefits that affect parties who did not choose to incur that benefit, often associated with public goods or services, like education and vaccination.

Public Good

A public good is a product that one individual can consume without reducing its availability to another individual and from which no one is excluded.

Rival Good

A type of good where one person's consumption of the good reduces the ability of another person to consume the same good.