A Loop of Wire (Resistance = 2

question 61

Multiple Choice

A loop of wire (resistance = 2.0 mΩ) is positioned as shown with respect to a long wire which carries a current. If d = 1.0 cm, D = 6.0 cm, and L = 1.5 m, what current is induced in the loop at an instant when the current in the wire is increasing at a rate of 100 A/s?

• A) 34 mA
• B) 30 mA
• C) 27 mA
• D) 38 mA
• E) 0.50 mA

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Definitions:

Corporate Concentration

The degree to which a small number of firms control a large market share of the total output or sales within an industry.

Herfindahl-Hirschman Index

A measure of market concentration to evaluate the competitive landscape, calculated by summing the squares of the market shares of all firms in the industry.

Herfindahl-Hirschman Index

A measure of market concentration and competition, calculated by squaring the market share of each firm competing in a market and summing the resulting numbers.

Concentrated Industry

An economic sector characterized by a small number of firms holding a large market share, leading to reduced competition.