An Ac Generator with a Total Resistance Of $12 \Omega$ Contains 100 Flat Loops of Wire, Each with an Area

question 20

Multiple Choice

An ac generator with a total resistance of $12 \Omega$ contains 100 flat loops of wire, each with an area of $0.090 \mathrm {~m} ^ { 2 }$ . The loops rotate at $60 \mathrm { rev } / \mathrm { s }$ in a magnetic field of magnitude $0.50 \mathrm {~T}$ . What is the maximum possible induced current?

• A) \(0.28 \mathrm { kA }\)
• B) \(23 \mathrm {~A}\)
• C) \(0.14 \mathrm { kA }\)
• D) \(46 \mathrm {~A}\)

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Definitions:

Heuristic

A rule of thumb that suggests a course of action or guides problem solving but does not guarantee an optimal solution.

Cognitive Schema

A mental framework that helps organize and interpret information, based on past experiences and knowledge.

Cognitive Heuristic

Simple, efficient rules which people often use to form judgments and make decisions; they are mental shortcuts that reduce the cognitive load of making a decision.

Proposition

A statement or assertion that expresses a judgment or opinion.