There Is No Current in the Circuit Shown in the Figure

question 19

Multiple Choice

There is no current in the circuit shown in the figure below until the switch is closed. The current through the 20-Ω resistor the instant after the switch is closed is either [1] 15 A or [2] 5.0 A, and the current through the 20-Ω resistor after the switch has been closed a long time is either [3] 5.0 A or [4] 15 A. Which combination of the above choices is correct?

• A) [1] and [3]
• B) [1] and [4]
• C) [2] and [3]
• D) [2] and [4]
• E) None of these

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Definitions:

Racial Segregation

The enforced separation of different racial groups within a community, institution, or country.

Armed Forces

The military forces of a country, including the army, navy, air force, and other branches.

Desegregation

The process of ending racial segregation in institutions and venues such as schools, buses, and public facilities, often through legal and social reforms.

Freedom Rides

A series of bus trips through the American South in 1961 by civil rights activists to challenge racial segregation in interstate bus terminals.