An Electron Moving with a Velocity = 5

question 44

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

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Definitions:

Command Economy

An economic system in which the government or central authority makes all decisions about the production and distribution of goods and services.

Centralized

A system or organization where decision-making and administrative processes are concentrated at a single point or center.

Economic Growth

An increase in the production of goods and services in an economy over a period of time, often measured as the percentage increase in real GDP.

Production Possibility Frontier

A graph showing all the highest production options for two or more products, considering a certain amount of resources.