A Circular, 20-Turn Coil Has a Radius of 5

question 65

Multiple Choice

A circular, 20-turn coil has a radius of 5.0 cm. What is the magnitude of the magnetic moment ) of the coil when it carries a current of 2.5 A?

• A) 1.5 A · m²
• B) 0.16 A · m²
• C) 2.0 × 10^-2 A · m²
• D) 0.39 A · m²
• E) 3.9 kA · m²

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Definitions:

Dendrites

Tree-like extensions at the neuron's body that receive signals from other neural cells for processing.

Neurons

Specific cells within the nervous system responsible for conveying information through chemical and electrical signals.

Chromosomes

Thread-like structures made of DNA molecules that contain the genes.

Excitatory

Referring to something that increases the likelihood of a nerve impulse in the neuron, often through neurotransmitters that promote action potentials.