Two Square Air-Filled Parallel Plates That Are Initially Uncharged Are

question 19

Multiple Choice

Two square air-filled parallel plates that are initially uncharged are separated by 1.2 mm,and each of them has an area of 190 mm².How much charge must be transferred from one plate to the other if 1.1 nJ of energy are to be stored in the plates? (ε₀₀ = 8.85 × 10^-12 C²/N ∙ m²)

• A)56 pC
• B)39 pC
• C)78 pC
• D)3.5 µC

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Definitions:

Statistically Significant

Indicates that the result of a statistical analysis is unlikely to have occurred by chance alone, according to a predefined significance level.

Null Hypothesis

A statement used in statistical testing that assumes no effect or no difference between groups, serving as the default assumption to test against.

Alternative Hypotheses

In statistics, alternative hypotheses suggest that there is a significant difference, effect, or relationship between two variables.

Square Footage

A measure of area used primarily in the United States, equivalent to the area of a square with sides one foot in length.