In the Circuit Shown in the Figure, the Resistor $R$ Has a Variable Resistance

question 30

Multiple Choice

In the circuit shown in the figure, the resistor $R$ has a variable resistance. As $R$ is decreased, what happens to the currents?

• A) \(I _ { 1 }\) decreases and \(I _ { 2 }\) increases.
• B) \(I _ { 1 }\) increases and \(I _ { 2 }\) decreases.
• C) \(I _ { 1 }\) decreases and \(I _ { 2 }\) decreases.
• D) \(I _ { 1 }\) remains unchanged and \(I _ { 2 }\) increases.
• E) \(I _ { 1 }\) increases and \(I _ { 2 }\) increases.

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Definitions:

Brachium

The upper arm area between the shoulder and the elbow.

Costocervical Artery

An artery that supplies blood to the upper dorsal region of the body, including parts of the neck and shoulders.

Gastrosplenic Artery

A blood vessel that supplies blood to the stomach and spleen, often referred to as the splenic artery when specifically regarding its supply to the spleen.

Cranial Mesenteric Artery

A significant artery that supplies blood to a large portion of the small and large intestines.