A 500-EV Electron and a 300-EV Electron Trapped in a Uniform

question 17

Multiple Choice

A 500-eV electron and a 300-eV electron trapped in a uniform magnetic field move in circular paths in a plane perpendicular to the magnetic field. What is the ratio of the radii of their orbits?

• A) 2.8
• B) 1.7
• C) 1.3
• D) 4.0
• E) 1.0

---

Definitions:

Minimum Price Schedule

A regulatory tool or policy setting the lowest price at which goods or services can be legally sold, often used in agricultural markets or with alcohol sales.

Conglomerate

A large corporation composed of diverse and independent industry sectors or companies under a single corporate group.

Men's Socks

Footwear specifically designed to cover men’s feet and lower legs, typically made from various fabrics and used for warmth, comfort, and fashion.

Webb-Pomerene Act

A 1918 U.S. federal law that allows certain export business activities to be exempt from antitrust laws, enabling American exporters to combine into associations to promote their foreign trade.