A Parallel Circuit Consists of a 100 V DC Power $\Omega$

question 15

Multiple Choice

A parallel circuit consists of a 100 V DC power source, a 100 $\Omega$ resistor, and a variable resistor of resistance R, which varies from 0 to 100 $\Omega$ .The current in the circuit is:

• A)directly proportional to R.
• B)inversely proportional to R.
• C)directly proportional to (100 \(\Omega\) +
• R).
• D)inversely proportional to (100 \(\Omega\) +
• R).
• E)neither directly nor inversely proportional to R or to (100 \(\Omega\) +

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Definitions:

Oxygen-Hemoglobin Dissociation Curve

Graph describing the relationship between the percentage of hemoglobin saturated with oxygen and a range of oxygen partial pressures.

Exercise

Physical activity that is planned, structured, and repetitive for the purpose of conditioning any part of the body, improving health, and maintaining fitness.

Alveolus

A small air sac within the lungs where the exchange of oxygen and carbon dioxide takes place during respiration.

Pulmonary Capillary

A small, thin-walled blood vessel located in the lungs where gas exchange between the blood and alveoli occurs.