An Electron Moves with a Speed of 8

question 11

Multiple Choice

An electron moves with a speed of 8.0 × 10⁶ m/s along the +x-axis.It enters a region where there is a magnetic field of 2.5 T,directed at an angle of 60° to the +x-axis and lying in the xy-plane.Calculate the magnitude of the magnetic force on the electron.(e = 1.60 × 10^-19C)

• A)2.8 × 10^-10 N
• B)3.2 × 10^-10 N
• C)2.8 × 10^-12 N
• D)3.2 × 10^-12 N

---

Definitions:

Production Possibilities Frontier

A curve depicting all maximum output possibilities for two goods, given a set of inputs, representing the trade-off between different choices in the allocation of resources.

Recession

A significant decline in economic activity across the economy, lasting more than a few months, typically visible in real GDP, real income, employment, industrial production, and wholesale-retail sales.

Depression

A prolonged and severe downturn in economic activity, characterized by high unemployment, falling prices, and reduced levels of trade and investment.

Production Possibilities Frontier

A graph illustrating the maximum possible output combinations for two products that a country can produce given its technological capabilities and quantity of inputs.