Five Equal Negative Charges Are Uniformly Spaced in a Semicircular

question 22

Multiple Choice

Five equal negative charges are uniformly spaced in a semicircular arc of radius with its center at the origin. The charges positions in polar coordinates are given by , where the values of are . At the position in the 4th quadrant, which statement best describes the direction of the resulting electric field?

• A) The direction is that of a 4th quadrant angle.
• B) The direction is that of a 3rd quadrant angle.
• C) The direction is that of a 1st quadrant angle.
• D) The direction is that of a 2nd quadrant angle.

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Definitions:

Neural Plate

The early embryonic structure that develops into the central nervous system, including the brain and spinal cord.

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, controlling most functions of the body and mind.

Embryonic Structure

An anatomical part or system that is in the early stages of development within an embryo.

Parietal Lobe

A region of the cerebral cortex that processes sensory information such as taste, temperature, and touch.