A Current I Passes Through a Slab of Metal in the Presence

question 43

Multiple Choice

A current I passes through a slab of metal in the presence of a magnetic field B. Between which two sides does a Hall voltage develops? Write the side with the higher potential first. The labels are: a and b the two sides on the left and right, c and d the two sides on the front and back, and e and f the top and bottom respectively.

• A) a and b
• B) c and d
• C) e and f
• D) b and a
• E) d and c

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Definitions:

U.S. Military

The armed forces of the United States, responsible for defending the country against threats and providing military support to national policies.

1941

A significant year marking the United States' entry into World War II following the attack on Pearl Harbor by Japan.

March on Washington

A significant civil rights rally that took place in Washington, D.C., in 1963, where Martin Luther King Jr. delivered his famous "I Have a Dream" speech.

White Supremacy

An ideology based on the belief that white people are superior to those of all other races, especially the black race, and should therefore dominate society.