A 12-V Battery Is Connected in Series with a Switch $\Omega$

question 26

Multiple Choice

A 12-V battery is connected in series with a switch, 6.0- $\Omega$ resistor, and coil. What energy is stored in the coil when the current is 2.0 A? The time constant is 2.0 *10^-3 s.

• A) 9.6 *10^-3 J
• B) 4.8 *10^-3 J
• C) 2.9 *10^-2 J
• D) 2.4 *10^-2 J

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Definitions:

API Gravity Degrees

A measure used in the petroleum industry that expresses the density of petroleum liquids relative to water; higher API gravity indicates a lighter oil.

Standardized Residuals

The differences between observed and predicted values, scaled by an estimate of standard deviation.

Covariances

A measure of the degree to which two variables change with respect to each other, indicating the direction of their linear relationship.

Regression Analysis

A statistical method used to examine the relationship between a dependent variable and one or more independent variables.