A Rod Is 4

question 188

Multiple Choice

A rod is 4.0 m long and has a square cross-section that is 1.5 cm on each side.An ohmmeter measures 0.040 Ω across its ends.What is the resistivity of the material from which this rod is made?

• A)0.023 Ω ∙ m
• B)0.015 Ω ∙ m
• C)1.5 × 10^-4 Ω ∙ m
• D)2.3 × 10^-6 Ω ∙ m

---

Definitions:

Mental Health Issues

Conditions that affect a person's thinking, feeling, behavior or mood, potentially impacting daily functioning and well-being.

Infection

The invasion and multiplication of microorganisms such as bacteria, viruses, and fungi in body tissues, which can lead to symptoms and disease.

Animal-Assisted Therapy

A therapeutic intervention that incorporates animals, such as dogs or horses, to promote mental and physical health improvement in humans.

Psychological Issues

Mental or emotional problems affecting a person's behavior, feelings, thoughts, or wellbeing, which may require professional treatment.