Two Long Parallel Wires Carry Currents of 20 a and 5.0

question 8

Multiple Choice

Two long parallel wires carry currents of 20 A and 5.0 A in opposite directions. The wires are separated by 0.20 m. What is the magnetic field midway between the two wires?

• A) 1.0 × 10^-5 T
• B) 2.0 × 10^-5 T
• C) 3.0 × 10^-5 T
• D) 4.0 × 10^-5 T
• E) 5.0 × 10^-5 T

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Definitions:

Express Agency

A contractual agreement where one party (the agent) is authorized to act on behalf of another party (the principal) in business transactions, based on expressed consent.

Apparent Agency

A legal principle where a person appears to be, and is mistakenly believed to be, authorized to act as an agent for another party, which can bind the apparent principal to contracts or actions taken by the apparent agent.

Implied Agency

A legal relationship wherein an agent has the authority to act on behalf of another person or entity, based not on explicit consent but on circumstances or behaviors.

Independent Contractor

An individual or entity engaged in work for another under terms that do not constitute an employment relationship, responsible for their own taxes and benefits.