Two Long Parallel Wires Are a Distance D Apart

question 37

Multiple Choice

Two long parallel wires are a distance d apart.The current in one wire is 10 A and the current in the other wire is 30 A.The currents are in the same direction.If the 30-A current is increased to 50 A,by what factor does the magnitude of the magnetic field midway between the wires change?

• A)2
• B)4
• C)25/9
• D)5/3

---

Definitions:

Symptoms

Signs or indications of a condition, disease, or change in the body or mind, which are not directly observable by others.

Characteristics

Features or qualities that define an individual, object, or concept, distinguishing it from others.

Prenatal Influences

Factors occurring before birth that affect the development and health of the fetus, including maternal health, nutrition, and exposure to toxins.

Infant Development

The significant physical, cognitive, and emotional changes that occur from birth to the end of infancy (around age 2).