The Voltage Between the Cathode and the Screen of a Computer

question 76

Multiple Choice

The voltage between the cathode and the screen of a computer monitor is 12 kV.If we assume a speed of zero for an electron as it leaves the cathode,what is its speed just before it hits the screen?

• A)8.8 × 10⁷ m/s
• B)6.5 × 10⁷ m/s
• C)4.2 × 10¹⁵ m/s
• D)7.7 × 10¹⁵ m/s
• E)5.3 × 10⁷ m/s

---

Definitions:

French and Indian War

A conflict between Britain and France from 1754 to 1763 in North America, part of a larger series of conflicts known as the Seven Years' War.

Napoleon

A French military leader and emperor in the early 19th century, known for his significant impact on European politics and warfare.

Taxes

Compulsory financial charges levied by a government on individuals and organizations to fund public expenditures, including infrastructure, services, and security.

Congress of the Confederation

The governing body of the United States under the Articles of Confederation, consisting of representatives from each state and possessing limited powers.