If 30 × 10¹⁵ Electrons Flow Through a Section of a a Wire

question 147

Multiple Choice

If 3.0 × 10¹⁵ electrons flow through a section of a wire of diameter 2.0 mm in 4.0 s,what is the current in the wire? (e = 1.60 × 10^-19 C)

• A)0.12 mA
• B)0.24 mA
• C)7.5 × 10⁷ A
• D)7.5 × 10¹⁴ A

---

Definitions:

Blood Colloid Osmotic Pressure

The pull exerted by large proteins in the plasma portion of blood that tends to draw water into the circulatory system.

Interstitial Fluid

The fluid that surrounds the cells in tissues, providing a medium for the exchange of substances between blood and cells.

Venous End

The part of a capillary bed where blood is collected from the capillary networks into the veins, characterized by lower pressure and oxygen content compared to the arterial end.

Lower Extremities

Lower extremities refer to the limbs and structures of the lower part of the body, including the hips, thighs, legs, ankles, and feet.