At the Microscopic Level, Electric Currents in Wires Are Due

question 10

Multiple Choice

At the microscopic level, electric currents in wires are due to

• A) atoms jiggling back and forth within the wire.
• B) protons [and possibly other ions] traveling along the wire.
• C) the great pumpkin.
• D) electromagnetic radiation.
• E) electrons traveling along the wire.

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Definitions:

Scatter Diagram

A scatter diagram, also known as a scatter plot, is a type of graph used in statistics to display values for typically two variables for a set of data. The data is displayed as a collection of points, each representing the value of one variable determining the position on the horizontal axis and the value of the other variable determining the position on the vertical axis.

Sunshine

The direct light emitted by the sun, contributing to daylight and warmth experienced on the Earth's surface.

Melanoma

A serious form of skin cancer that begins in cells known as melanocytes, which control the pigment in your skin.

Least Squares Regression

A method for fitting a regression line to a dataset by minimizing the sum of the squares of the vertical deviations from each data point to the line.