A Conducting Circular Disk Has a Uniform Positive Surface Charge

question 8

Multiple Choice

A conducting circular disk has a uniform positive surface charge density.Which of the following diagrams best represents the electric field lines from the disk? (The disk is drawn as a cross-section.)

• A)1
• B)2
• C)3
• D)4
• E)none of the diagrams

---

Definitions:

\(- 1\)

A numeric value that is one less than zero, often representing the inverse of a quantity.

\(n + 7\)

An algebraic expression representing the sum of an unknown quantity \(n\) and the number 7.

\(n + 8\)

An algebraic expression representing the sum of a variable n and the number 8.

\(n !\)

\(n !\), pronounced n factorial, is the product of all positive integers less than or equal to n. For instance, \(4! = 4 \times 3 \times 2 \times 1 = 24\).