An Ideal Solenoid Is Wound with 470 Turns on a Wooden

question 151

Multiple Choice

An ideal solenoid is wound with 470 turns on a wooden form that is 4.0 cm in diameter and 50 cm long. The windings carry a current in the sense shown in the figure. The current produces a magnetic field of magnitude $4.1 \mathrm { mT }$ at the center of the solenoid. What is the current I in the solenoid windings?
(μ₀ = 4π × 10^-7 T ∙ m/A)

• A) 3.5 A
• B) 3.0 A
• C) 2.6 A
• D) 4.3 A
• E) 3.9 A

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Definitions:

Communist Theory

A social, political, and economic ideology that aims at the establishment of a classless society where the means of production are owned communally.

Private Property

Legal rights that allow individuals or entities to own, use, and dispose of assets.

Demand and Supply

Fundamental economic concepts that describe the amount of a product or service available for purchase (supply) and the desire of buyers for it (demand), influencing price and market equilibrium.

Market Failure

A situation where the allocation of goods and services by a free market is not efficient, often leading to a net social welfare loss.