You Measure a 20-V Potential Difference Across a 7

question 53

Multiple Choice

You measure a 20-V potential difference across a 7.0-Ω resistor.What is the current flowing through it?

• A)140 A
• B)2.9 A
• C)27 A
• D)13 A
• E)5.2 A

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Definitions:

Explanatory Variable

A factor in a statistical model that is believed to cause or influence changes in a response variable.

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Standard Error

A measure of the variability or dispersion of a sampling distribution.

Sampling Distribution

The distribution of chances related to a statistic that comes from drawing a significant number of samples from a particular group of people or items.