When a Capacitor Has a Charge of Absolute Value 80

question 76

Multiple Choice

When a capacitor has a charge of absolute value 80 µC on each plate the potential difference across the plates is 10 V.How much energy is stored in this capacitor when the potential difference across its plates is 120 V?

• A)0.36 J
• B)58 mJ
• C)0.90 GJ
• D)0.48 mJ
• E)0.12 J

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Definitions:

Interaction Term

In regression analysis, it's a variable created from the product of two or more variables to assess how the simultaneous influence of those variables on the outcome differs from the sum of their individual effects.

Dependent Variable

The variable in an experiment that is expected to change as a result of changes made to the independent variable.

First-Order Polynomial Model

A mathematical model of a linear relationship between the independent variable and the dependent variable, characterized by having no exponents higher than one.

Predictor Variable

A variable used in statistical models to predict or influence the outcomes of a dependent variable.