A Wire of Resistivity @ Must Be Replaced in a Circuit

question 50

Multiple Choice

A wire of resistivity @ must be replaced in a circuit by a wire of the same material but four times as long. If, however, the total resistance is to remain as before, the diameter of the new wire must

• A) be the same as the original diameter.
• B) be one-fourth the original diameter.
• C) be four times the original diameter.
• D) be two times the original diameter.
• E) be one-half the original diameter.

---

Definitions:

Light Therapy

Treatment using exposure to specific wavelengths of light used to address disorders like seasonal affective disorder (SAD).

Depression

A mental health disorder characterized by persistently low mood, loss of interest in activities, and a range of other symptoms that inhibit daily functioning.

Eye Movements

The voluntary or involuntary shifting of the eye's focus from one point to another, which is crucial for various activities like reading and navigating.

EMDR

Eye Movement Desensitization and Reprocessing is a psychotherapeutic approach aimed at alleviating the stress linked to traumatic memories.