A Copper Pipe Is Held Vertically and a Magnet Is

question 20

Multiple Choice

A copper pipe is held vertically and a magnet is dropped down the pipe.The magnet is oriented with the north pole down.What direction do the Eddy currents flow as viewed from above the pipe? If copper bar of approximately the same size and weight is dropped down the tube will it fall faster or slower?

• A) CCW above the magnet and CW below the magnet; copper bar will fall slower
• B) CCW above the magnet and CW below the magnet; copper bar will fall faster
• C) CW above the magnet and CCW below the magnet; copper bar will fall slower
• D) CW above the magnet and CCW below the magnet; copper bar will fall faster

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Definitions:

Intrinsic Motivation

The performance of tasks for our own innate satisfaction.

Achievement Motivation

An individual's drive to overcome obstacles, achieve high standards, and attain goals through persistent effort and determination.

Productive Motivation

Productive motivation involves the drive and energy that compel individuals to work efficiently and effectively towards achieving specific goals.

Creativity And Innovation

The act of turning new and imaginative ideas into reality, characterized by the ability to perceive the world in new ways and to find hidden patterns.