Starting Outside the Region with the Magnetic Field,a Single Square $\vec { B }$

question 69

Multiple Choice

Starting outside the region with the magnetic field,a single square coil of wire moves across the region with a uniform magnetic field $\vec { B }$ perpendicular to the page.The loop moves at constant velocity $\overrightarrow { \mathbf { v } }$ .As seen from above,a counterclockwise emf is regarded as positive.Roger claims that the graph shown below represents the induced emf.Martin says he's wrong.In which direction did the loop move over the plane of the page,or is Martin correct?

• A)Roger is correct: the loop moved from bottom to top.
• B)Roger is correct: the loop moved from top to bottom.
• C)Roger is correct: the loop moved from left to right.
• D)Roger is correct: the loop moved from right to left.
• E)Martin is correct: none of these directions of motion will produce the graph of emf vs t.

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Definitions:

Emic

An approach that investigates cultures from the inside, understanding phenomena through the meanings and definitions that are relevant to people from the culture being studied.

Etic

An approach that studies cultures from an outsider's perspective, emphasizing universals and comparative analysis.

Endogenous

Originating from within an organism, tissue, or cell, not influenced by external factors.

Sociosexuality

An individual's willingness to engage in sexual activity outside of a committed relationship, reflecting attitudes and behaviors regarding casual sex.