In a Velocity Selector for Ions, When the Electric Field

question 21

Multiple Choice

In a velocity selector for ions, when the electric field is increased by 50%, what change in the magnetic field is necessary to select the same speed as before?

• A) a 50% decrease
• B) a 25% decrease
• C) no change
• D) a 25% increase
• E) a 50% increase

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Definitions:

Genetic Engineering

The manipulation of an organism's genes using biotechnology, including the editing, adding, or removing of DNA sequences to achieve desired traits.

Displacement

A psychological defense mechanism where mind redirects emotions or feelings from the original source to a less threatening target.

Concepts

Abstract ideas or general notions that represent categories or classes of objects, events, or activities.

Language Acquisition Device

A hypothetical module of the human mind proposed by Noam Chomsky to account for the innate predisposition for language acquisition.