A 35-Cm Radius Hemisphere Contains a Total Charge of 6

question 23

Multiple Choice

A 3.5-cm radius hemisphere contains a total charge of 6.6 * 10^-7 C. The flux through the rounded portion of the surface is 9.8 * 10⁴ N .m²/C. The flux through the flat base is:

• A) 0
• B) +2.3*10⁴ N .m²/C
• C) -2.3 * 10⁴ N .m²/C
• D) -9.8 *10⁴ N .m²/C
• E) +9.8* 10⁴ N .m²/C

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Definitions:

Yolk Sac

An extra-embryonic membrane that provides nutrients to the early embryo; it is a critical structure in the development of many vertebrates.

Chorion

The outermost fetal membrane in many vertebrates, including humans, contributing to the formation of the placenta.

Amnion

A thin but tough sac of membrane that encloses the embryo or fetus in the uterus, containing the amniotic fluid.

Allantois

An embryonic membrane involved in gas exchange and waste removal in the development of the embryo.