A Uniform Electric Field Has the Strength Of $7.0 \mathrm {~N} / \mathrm { C }$

question 53

Multiple Choice

A uniform electric field has the strength of $7.0 \mathrm {~N} / \mathrm { C }$ What is the electric energy density of this field? (ε₀ = 8.85 × 10^-12 C²/N ∙ m²)

• A)2.2 × 10^-10 J/m³
• B)3.1 × 10^-11 J/m³
• C)2.8 × 10¹² J/m³
• D)5.5 × 10¹² J/m³

---

Definitions:

Hindsight Bias

The tendency to believe, after learning an outcome, that one would have foreseen it, known also as the "I-knew-it-all-along" effect.

Eyewitness

A person who directly observes an event, like a crime, and can provide testimony about what happened.

Memory Accuracy

The extent to which a person's recollection of past events or information is correct and free from errors or distortions.

Mnemonic Device

A learning technique that aids information retention by making use of patterns, acronyms, or rhymes.