A Straight Wire of Length 70 Cm Carries a Current

question 30

Multiple Choice

A straight wire of length 70 cm carries a current of 50 A and makes an angle of 60° with a uniform magnetic field. If the force on the wire is 1.0 N what is the magnitude of B?

• A) 41 mT
• B) 33 mT
• C) 55 mT
• D) 87 mT
• E) 57 mT

Compute the standard error of the sample proportion or mean.

Evaluate the legitimacy of claims based on statistical tests.

Understand the factors that contributed to the prosperity or failure of early European colonies in North America.

Recognize the diverse relationships between European colonists and Native Americans, including strategies of adaptation, conflict, and cooperation.

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Definitions:

Cold War

A period of geopolitical tension between the Soviet Union and the United States and their respective allies from the late 1940s to the early 1990s, characterized by mutual suspicion, ideological conflicts, and a race for military and technological superiority.

America's Image

The perception or representation of the United States as viewed by its citizens and the global community.

Martin Luther King Jr.

An influential American civil rights leader known for his advocacy for nonviolent protest against racial discrimination during the 1950s and 1960s.

Rosa Parks

An African American civil rights activist known for refusing to give up her bus seat to a white person in Montgomery, Alabama, in 1955, an act that sparked the Montgomery Bus Boycott.