The Inclusion of a Small Amount of Phosphorus in a Crystal

question 67

Multiple Choice

The inclusion of a small amount of phosphorus in a crystal of pure germanium yields what kind of semiconductor?

• A) an insulator
• B) an amorphous solid
• C) n-type, in which extra electrons carry the current
• D) p-type, in which a deficiency of electrons carries the current
• E) p-n-p type

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Definitions:

Neurons

The basic working units of the brain and nervous system responsible for receiving sensory input, processing information, and transmitting signals.

Myelin Sheaths

Insulating layers that form around nerves, including those in the brain and spinal cord, which enable faster transmission of electrical impulses.

Sympathetic Nervous System

A part of the autonomic nervous system that activates the body's fight-or-flight response during perceived threats.

Parasympathetic Nervous System

Part of the autonomic nervous system responsible for conserving energy and promoting a state of calm and rest in the body.