Two Long Parallel Wires That Are 0 $\vec { B }$

question 105

Multiple Choice

Two long parallel wires that are 0.40 m apart carry currents of 10 A in opposite directions.What is the magnitude of the $\vec { B }$ field in the plane of the wires at a point that is 20 cm from one wire and 60 cm from the other? (μ₀ = 4π × 10^-7 T ∙ m/A)

• A)3.3 µT
• B)6.7 µT
• C)33 µT
• D)67 µT

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Definitions:

Consumer Surplus

The difference between what consumers are willing to pay and what they actually pay for a good or service.

Surplus II

An excess of supply over demand, leading to lower prices and potential inefficiencies in the market.

Equilibrium Quantity

At the market equilibrium price, the amount of goods or services available matches the amount that consumers want to buy.

Willingness to Pay

The maximum amount an individual is prepared to spend on a good or service, reflecting the value they derive from it.