A Conducting Rod with a Length ℓ = 25 Cm

question 81

Multiple Choice

A conducting rod with a length ℓ = 25 cm is placed on a U-shaped metal wire that is connected to a lightbulb having a resistance of 8.0 Ω as shown in the figure. The wire and the rod are in the plane of the page. A constant uniform magnetic field of strength 0.40 T is applied perpendicular to and into the paper. An external applied force moves the rod to the right with a constant speed of 6.0 m/s. What are the magnitude and direction of the induced current in the circuit?

• A)17 mA clockwise
• B)17 mA counterclockwise
• C)75 mA counterclockwise
• D)75 mA clockwise
• E)52 mA clockwise

Explain the principle of preemption and its implications for federal and state authority.

Understand the historical context and outcomes of key federal actions during the Great Depression.

Distinguish between different types of grants and their specific applications in federal-state relations.

Recognize the historical developments in federalism, including cooperative, dual, and "marble cake" federalism.

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Definitions:

Institutional Racism

Discriminatory practices and policies embedded within societal institutions that disadvantage minority groups based on race or ethnicity.

Evidentiary Exclusion

A legal principle that prohibits certain types of evidence from being presented or considered in court.

Individual Racism

Discrimination or prejudice against people of different races based on personal beliefs or attitudes.

National Rehabilitation Act

U.S. legislation aimed at providing a wide range of services for persons with physical, cognitive, sensory, or emotional disabilities.