An Electron Is Released Form Rest in a Region of Space

question 47

Multiple Choice

An electron is released form rest in a region of space where a uniform electric field is present. Joanna claims that its kinetic and potential energies both increase as it moves from its initial position to its final position. Sonya claims that they both decrease. Which one, if either, is correct?

• A) Joanna, because the electron moves opposite to the direction of the field.
• B) Sonya, because the electron moves opposite to the direction of the field.
• C) Joanna, because the electron moves in the direction of the field.
• D) Sonya, because the electron moves in the direction of the field.
• E) Neither, because the kinetic energy increases while the electron moves to a point at a higher potential.

---

Definitions:

Spermatogonium

A male germ cell from which sperm cells are derived, undergoing several stages of division before becoming mature sperm.

Developing Sperm

Developing sperm, or spermatogenesis, is the process during which spermatogonial stem cells divide and differentiate into mature spermatozoa in the testes.

Sperm

Sperm are male reproductive cells responsible for fertilizing the female ovum, leading to pregnancy.

Spermatid

An intermediate stage in the development of sperm cells, following a spermocyte's division.