A Solenoid of Length 18 Cm Consists of Closely Spaced

question 36

Multiple Choice

A solenoid of length 18 cm consists of closely spaced coils of wire wrapped tightly around a wooden core.The magnetic field strength is inside the solenoid near its center when a certain current flows through the coils.If the coils of the solenoid are now pulled apart slightly,stretching it to without appreciably changing the size of the coils,what does the magnetic field become near the center of the solenoid when the same current flows through the coils? (μ₀ = 4π × 10^-7 T • m/A)

• A) 1.7 mT
• B) 3.4 mT
• C) 0.85 mT
• D) 2.0 mT

---

Definitions:

Environmental Racism

The practice of disproportionately exposing communities of color and low-income populations to environmental hazards and pollutants.

Canada

A country located in the northern part of North America, characterized by its vast landscapes, multicultural population, and bilingual official languages (English and French).

Solve

To find a solution or explanation for a problem or question.

Technological Innovation

The process of developing and applying new technologies to create value or solve problems, leading to significant changes in society, economy, or industries.