The Radius of the Orbit of an Electron Moving with a Speed

question 36

Multiple Choice

The radius of the orbit of an electron moving with a speed of 10⁸ m/s perpendicular to a magnetic field of 5.0 × 10^-3 T is approximately

• A) 1.1 m.
• B) 0.11 m.
• C) 0.34 m.
• D) 0.011 m.
• E) 8.9 m.

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Definitions:

Annual Rate of Inflation

The percentage increase in the price level of goods and services in an economy over a year.

Decade

A period of ten years.

Effective Annual

Referring to an interest rate or return on investment that accounts for the effects of compounding over a year.

Rate of Sales Growth

The increase in sales over a specific period of time, typically measured as a percentage.