In the Figure, a Ring 0

question 24

Multiple Choice

In the figure, a ring 0.71 m in radius carries a charge of + 580 nC uniformly distributed over it. A point charge Q is placed at the center of the ring. The electric field is equal to zero at field point P, which is on the axis of the ring, and 0.73 m from its center. (ε₀ = 8.85 × 10^-12 C²/N ∙ m²) The point charge Q is closest to

• A) -210
• B) -300
• C) -420
• D) 210
• E) 300

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Definitions:

Latitude

A geographical coordinate that specifies the north-south position of a point on the Earth's surface.

Georgia

A country located at the crossroads of Eastern Europe and Western Asia, known for its diverse culture and history.

Utah

A state in the western United States known for its vast landscapes, national parks, and the Great Salt Lake.

Kansas

A U.S. state located in the Midwestern part of the country, known for its agricultural outputs, like wheat and corn, and as the setting of the famous novel "The Wizard of Oz."