Disconnect a Small-Voltage Battery from a Coil of Many Loops

question 46

Multiple Choice

Disconnect a small-voltage battery from a coil of many loops of wire and a large voltage is produced by

• A) electrons already in the wire.
• B) the sudden collapse in the magnetic field.
• C) the electric field between the battery terminals.
• D) latent energy in the battery.
• E) the resistance of the battery to a change in polarity.

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Definitions:

Variance

A statistical measurement of the spread between numbers in a dataset, indicating how much they differ from the mean of the set.

Population

The entire group of individuals or instances about whom we wish to make conclusions in a statistical study.

Standard Deviation

A statistical index that signifies the distribution of data points around the mean of a dataset.

Critical Value

The threshold value that a test statistic must exceed to reject the null hypothesis in a statistical test.