A 2-M Long Wire Is Carrying a Current of 2

question 85

Multiple Choice

A 2-m long wire is carrying a current of 2 A. The wire is placed at an angle of 60° with respect to a magnetic field. If the wire experiences a force of 0.2 N, what is the strength of the magnetic field?

• A) 0.02 T
• B) 0.03 T
• C) 0.04 T
• D) 0.05 T
• E) 0.06 T

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Marginal Revenue

The additional income earned from selling one more unit of a good or service; it's a crucial concept for understanding how firms decide on output levels.

Purely Competitive Industry

An industry characterized by a large number of small firms producing identical products with no single firm able to influence the market price.

Purely Competitive Market

A market structure characterized by a large number of small firms, a homogeneous product, perfect information, and ease of entry and exit, leading to price-taking behavior.

Barriers to Entry

Factors that prevent or impede the ability of a new competitor to enter an industry and compete with existing firms.