The Curves on the Graph Represent the Current Versus the Potential

question 120

Multiple Choice

The curves on the graph represent the current versus the potential difference for various conductors. The conductor whose behavior is described by Ohm's law is

• A) 1.
• B) 2.
• C) 3.
• D) 4.
• E) None of these is correct.

---

Definitions:

Dopamine

A neurotransmitter in the brain that plays a key role in reward, motivation, memory, attention, and even regulating body movements.

Acetylcholine

A neurotransmitter in both the peripheral and central nervous systems that plays crucial roles in the stimulation of muscle cells and in various aspects of cognitive function, including memory.

Endorphin

Endorphins are natural chemicals produced in the brain that help to reduce pain and boost happiness.

Anxiety Disorder

A category of mental health disorders characterized by excessive and persistent feelings of anxiety and fear.