In the Figure, a Ring 0

question 25

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:

Declared

Often refers to the official announcement by a company's board of directors of a dividend or other corporate action.

Accumulated Depreciation

The total amount of depreciation expense that has been recorded against a fixed asset since it was put into use.

Original Cost

The initial monetary value of an asset, including the purchase price and any related acquisition costs, but before depreciation or amortization.

Decrease

A reduction or decline in quantity, size, or overall value of an item or entity.