A Toroidal Solenoid Has a Central Radius of 0

question 11

Multiple Choice

A toroidal solenoid has a central radius of 0.50 m and a cross-sectional diameter of 10 cm.When a current passes through the coil of the solenoid,the magnetic field inside the solenoid at its CENTER has a magnitude of 2.0 μT.What is the largest value of the magnetic field inside the solenoid when this current is flowing? (μ₀ = 4π × 10^-7 T • m/A)

• A) 3.5 µT
• B) 1.8 µT
• C) 2.2 µT
• D) 0.50 µT
• E) 2.8 µT

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Definitions:

Marginal Costs

The cost of producing a subsequent unit of a product or service.

Long Run

The long run is a period in economics where all inputs or factors of production can be varied, allowing firms to adjust fully to market conditions.

Economic Profit

The split between total revenue generation and total cost accrual, encompassing both declared and understood costs.

Long-Run Adjustments

Adjustments that firms make over a period where all inputs can be varied, and there are no fixed factors of production.