An Electron Moving with a Velocity = 5

question 30

Multiple Choice

An electron moving with a velocity = 5.0 × 10⁷ m/s enters a region of space where perpendicular electric and a magnetic fields are present.The electric field is = .What magnetic field will allow the electron to go through the region without being deflected?

• A) = +2.0 × 10^-4 T
• B) = -2.0 × 10^-4 T
• C) = +2.0 × 10^-4 T
• D) = -2.0 × 10^-4 T
• E) = +5.0 × 10^-4 T

---

Definitions:

Negative Correlation

A relationship between two variables in which one variable increases as the other decreases, and vice versa, indicating an inverse relationship.

Interest Rates

The cost of borrowing money, expressed as a percentage of the amount borrowed, paid by the borrower to the lender for the use of funds.

House Sales

The process of buying or selling residential properties.

Positive Correlation

A relationship between two variables in which both variables move in the same direction, meaning as one variable increases, the other also increases, or as one decreases, the other also decreases.