The Magnetic Field Due to the Current in a Long

question 30

Multiple Choice

The magnetic field due to the current in a long, straight wire is 8.0 μT at a distance of 4.0 cm from the center of the wire. What is the current in the wire?

• A) 0.20 A
• B) 0.40 A
• C) 0.80 A
• D) 3.2 A
• E) 1.6 A

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Definitions:

Epiglottis

A flap of cartilage located at the opening of the larynx, which closes during swallowing to prevent food and liquid from entering the airway.

Pharynx

A part of the throat situated behind the mouth and nasal cavity, crucial for both the respiratory and digestive systems.

Bronchus

A major air passage of the lungs that diverges from the windpipe, allowing the flow of air in and out.

Body Surface

The body surface refers to the outermost layer of an organism's body, including the skin in humans, which serves as a protective barrier against the environment.