The Magnitude of the Electric Field at a Distance of Two

question 22

Multiple Choice

The magnitude of the electric field at a distance of two meters from a negative point charge is E. What is the magnitude of the electric field at the same location if the magnitude of the charge is doubled?

• A)E/4
• B)E/2
• C)E
• D)2E
• E)4E

---

Definitions:

Retina

The light-sensitive layer of tissue at the back of the inner eye, converting light images into nerve signals sent to the brain.

Sensory Receptors

Specialized cells or neuronal pathways that respond to changes in the environment and send signals to the brain.

Vision

The ability to interpret the surrounding environment by processing information contained in visible light reaching the eyes.

Fovea

A small area at the center of the retina that provides the clearest and sharpest vision because it has the largest concentration of cones.