A Metal Bar Is 20 Cm Long and Has a Rectangular

question 57

Multiple Choice

A metal bar is 20 cm long and has a rectangular cross-section measuring 1.0 cm × 2.0 cm.What is the voltage drop along its length when it carries a 4000-A current? The resistivity of the metal is 1.68 × 10^-8 Ω ∙ m.

• A)0.67 V
• B)0.34 V
• C)0.067 V
• D)0.034 V

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Subjective Symptom

A symptom reported by the patient that cannot be directly observed by others, such as pain or dizziness.

Vital Sign

Measurements of the body's basic functions, including temperature, pulse, breathing rate, and blood pressure, used to assess physical health.

Tricuspid Valves

One of the four heart valves, located between the right atrium and right ventricle, which prevents backflow of blood.

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Heart valves located between the left atrium and left ventricle that allow blood to flow in one direction: from the atrium into the ventricle.