Use the Following Figure to Answer the Next Problem $\pi\varepsilon$ ₀)^-1?
A)kQ/r²
B)2kQ/r²
C)kQ/a²
D)kQ/b²
E)kQ/(b

question 29

Multiple Choice

Use the following figure to answer the next problem:
-A solid sphere of radius a is concentric with a hollow sphere of radius b,where b > a.If the solid sphere has a charge +Q and the hollow sphere a charge of -Q,the electric field at radius r,where a < r < b,is which of the following,in terms of k = (4 $\pi\varepsilon$ ₀) ^-1?

• A)kQ/r²
• B)2kQ/r²
• C)kQ/a²
• D)kQ/b²
• E)kQ/(b - a)²

---

Definitions:

Circulatory System

The body system responsible for the transport of blood, nutrients, gases, and wastes to and from cells, facilitating the maintenance of internal homeostasis.

Internal Transportation

The movement or transfer of substances, energy, or information within an organism or physical system.

Metarterioles

Small blood vessels that directly link arterioles with veinules.

Arterioles

Small branches of arteries that lead into the capillaries and regulate blood flow and pressure through the constriction and dilation of their walls.