If a = 10 Cm, B = 3

question 73

Multiple Choice

If a = 1.0 cm, b = 3.0 cm, and I = 30 A, what is the magnitude of the magnetic field at point P?

• A) 0.62 mT
• B) 0.59 mT
• C) 0.35 mT
• D) 0.31 mT
• E) 0.10 mT

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Definitions:

Melatonin

A hormone that regulates the sleep-wake cycle, produced by the pineal gland in response to darkness.

Pineal Gland

A small endocrine gland in the vertebrate brain that produces and regulates some hormones, including melatonin, which affects sleep patterns.

Melatonin

A hormone produced by the pineal gland that regulates sleep-wake cycles and is often used to treat sleep disorders.

REM Sleep

Rapid Eye Movement (REM) sleep, a unique phase of sleep involving vivid dreams, and is thought to play a role in learning and memory.