A Thin Conducting Plane with Surface Charge Density $\sigma$ Is Exposed to an External Electric E_ext

question 21

Multiple Choice

A thin conducting plane with surface charge density $\sigma$ is exposed to an external electric E_ext. The difference in the electric field between one surface of the plane to the other surface is

• A) \(\sigma\)/\(\isin\)₀
• B) \(\sigma\)/\(\isin\)₀ + E_ext
• C) \(\sigma\)/\(\isin\)₀ + E_ext.
• D) 2\(\sigma\)/\(\isin\)₀ + E_ext
• E) \(\sigma\)/2\(\isin\)₀ +E_ext.

---

Definitions:

Freedom of Information Act (FOIA)

A federal law that allows for the full or partial disclosure of previously unreleased information and documents controlled by the United States government.

Rule Making Requirements

Regulations and procedures that governmental agencies need to follow to create, amend, or repeal rules and regulations.

Formal Rule Making

A regulatory process outlined by the Administrative Procedure Act where agencies create new rules with public input.

Hybrid Rule Making

A regulatory process that combines elements of both formal rulemaking proceedings and informal rulemaking proceedings.