Lines of the Magnetic Field Produced by a Long Straight

question 2

Multiple Choice

Lines of the magnetic field produced by a long straight wire carrying a current are:

• A) in the direction of the current
• B) opposite to the direction of the current
• C) leave the wire radially
• D) are circles concentric with the wire
• E) are lines similar to those produced by a bar magnet

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Definitions:

Respiration

The process by which living organisms exchange oxygen and carbon dioxide, crucial for energy production and metabolic functions.

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration, absorbed by plants in photosynthesis.

Hemoglobin

A protein found in red blood cells responsible for transporting oxygen from the lungs to the rest of the body and returning carbon dioxide from the body to the lungs.

Oxygen

A chemical element with symbol O and atomic number 8, essential for aerobic respiration in living organisms and supporting combustion.