A Conducting Circular Disk Has a Uniform Positive Surface Charge

question 8

Multiple Choice

A conducting circular disk has a uniform positive surface charge density.Which of the following diagrams best represents the electric field lines from the disk? (The disk is drawn as a cross-section.)

• A)1
• B)2
• C)3
• D)4
• E)none of the diagrams

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Definitions:

Nail Body

The visible part of the nail, made of keratin, that covers and protects the tips of the fingers and toes.

Nail Bed

Epithelial tissue resting on dermis under the nail between the nail matrix and hyponychium; contributes to the formation of the nail.

Hyponychium

Thickened portion of the stratum corneum under the free edge of the nail.

Cuticle

The outer layer of living tissue, especially in plants, acting as a protective barrier. In humans and animals, it often refers to the outer layer of skin or the protective layer around the nail or hair.