A Total Resistance of 3 $\Omega$ Is to Be Produced by Combining an Unknown Resistor R

question 20

Multiple Choice

A total resistance of 3.0 $\Omega$ is to be produced by combining an unknown resistor R with a 12 $\Omega$ resistor.What is the value of R and how is it to be connected to the 12 $\Omega$ resistor?

• A)2.4\(\Omega\), parallel
• B)2.4 \(\Omega\), series
• C)4.0 \(\Omega\), parallel
• D)4.0 \(\Omega\), series
• E)9.0 \(\Omega\), series

Understand the criteria necessary to establish a causal relationship between an exposure and a disease.

Identify factors that may confound the relationship between an exposure and a disease outcome.

Evaluate the evidence suggesting a causal relationship in various epidemiological studies.

Distinguish between necessary and sufficient causes of disease.

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Definitions:

Reproductive Process

The biological mechanisms through which organisms produce offspring, encompassing various strategies across species from sexual to asexual reproduction.

Vitamin D

A fat-soluble vitamin essential for bone health and immune function, produced by the human body when exposed to sunlight and also found in certain foods.

Skin Color

A phenotypic trait that is primarily determined by genetic inheritance and exposure to the sun, varying widely among individuals and populations.

Race

Socio-political categorizations of humans based on physical characteristics, heritage, and genetics, often mistakenly assumed to have significant biological basis.