The Current in an Electron Beam in a Cathode-Ray Tube

question 105

Multiple Choice

The current in an electron beam in a cathode-ray tube is measured to be 280 µA. How many electrons hit the screen in 50 s? (e = 1.6 *10 ^{- 19} C)

• A) 2.2 * 10¹¹ electrons
• B) 8.8 * 10¹⁶ electrons
• C) 8.8* 10¹⁵ electrons
• D) 2.2 * 10¹⁵ electrons

---

Definitions:

Law Compliance

The act of adhering to local, national, or international laws and regulations relevant to one's actions or business operations.

Economic Responsibility

The obligation of an organization to contribute to economic development while improving the quality of life of its workforce and the community.

Goods And Services

The tangible products (goods) and intangible items (services) that satisfy human wants or needs and are offered in the market.

Profit Earning

The act of generating financial gain or income from business activities after deducting all expenses, taxes, and costs.