As Shown Below,a Square Loop of Wire of Side a Moves

question 40

Multiple Choice

As shown below,a square loop of wire of side a moves through a uniform magnetic field of magnitude B perpendicular to the page at constant velocity
Directed to the right.Judd says that the emf induced in the loop is zero.Roger claims that it has magnitude B
) Which one,if either,is correct,and why?

• A)Judd,because the magnetic flux through the loop is constant.
• B)Roger,because the magnetic flux through the loop is constant.
• C)Judd,because the magnetic flux through the loop is not constant if .
• D)Roger,because the magnetic flux through the loop is not constant if .
• E)Roger,because the magnetic flux through the loop is Φ_B = 0.

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Definitions:

Coal

A combustible black or brownish-black sedimentary rock, formed from ancient plant matter, used as a fossil fuel.

Oil Shale

A type of sedimentary rock that contains kerogen, a mix of organic compounds from which liquid hydrocarbons can be produced.

Energy Resource

Any natural or artificial substance or mechanism that can be used to produce energy or power.

Fold

A bend in layers of rock or earth's crust caused by stress, resulting in curved or bent strata.