In a Region of Space Where the Magnetic Field of the Earth

question 43

Multiple Choice

In a region of space where the magnetic field of the earth has a magnitude of 80 μT and is directed 30° below the horizontal, a 50-cm length of wire oriented horizontally along an east-west direction is moved horizontally to the south with a speed of 20 m/s. What is the magnitude of the induced potential difference between the ends of this wire?

• A) 0.45 mV
• B) 0.35 mV
• C) 0.30 mV
• D) 0.40 mV
• E) 0.69 mV

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Definitions:

Duress

A situation where a person is forced or coerced into acting against their will through threats, pressure, or intimidation.

Objective Intent

refers to the outward manifestation of a party's intention as it appears to others, used in legal contexts to determine contractual obligations.

Subjective Intent

An individual's personal, internal intentions or motivations, as opposed to how their actions might be viewed by others.

Represented

The act of having someone speak, act, or make decisions on behalf of another person or entity.