Field of a Long Wire: Two Long Parallel Wires Carry

question 54

Multiple Choice

Field of a long wire: Two long parallel wires carry currents of 20 A and 5.0 A in opposite directions. The wires are separated by 0.20 m. What is the magnitude of the magnetic field midway between the two wires? (μ₀ = 4π × 10^-7 T ∙ m/A)

• A) 1.0 × 10^-5 T
• B) 2.0 × 10^-5 T
• C) 3.0 × 10^-5 T
• D) 4.0 × 10^-5 T
• E) 5.0 × 10^-5 T

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Definitions:

Consequentialists

Ethical theorists who believe that the morality of an action is determined by its outcomes or consequences.

Important Considerations

are crucial factors or aspects that need careful thought and examination when making decisions or analyzing situations.

Utilitarians

Philosophers or adherents of the ethical theory called utilitarianism, which holds that the best action is the one that maximizes utility, typically defined as that which produces the greatest well-being of the greatest number.

Inherently Moral

Pertaining to actions, objects, or decisions considered to possess moral qualities by their very nature.