Physics, 03.07.2019 23:30 arianabryant54

Lidia makes a graphic organizer to compare temporary magnets with permanent magnets. which labels belong in the regions marked x and y? a) x: maintains magnetic properties in the presence of another magnet y: is made from magnetically hard ferromagnetic material b) x: repels or attracts other magnets y: attracts iron objects c) x: maintains magnetic properties in the presence of another magnet y: is made from magnetically soft ferromagnetic material d) x: attracts or repels iron objects y: attracts other magnets

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Answer from: albattatasraap5wymy

Labels that belong in regions marked X and Y are;

A) X: Maintains magnetic properties in the presence of another magnet

Y: Is made from magnetically hard ferromagnetic material

Answer from: Ladarius622

A) X: Maintains magnetic properties in the presence of another magnet

Y: Is made from magnetically hard ferromagnetic material

Explanation:

Temporary magnets are made up of soft iron. These magnets do not retain magnetism for long and thus, called temporary magnets. These are magnetized when current is passed through it or under the influence of permanent magnet. The domains get aligned in single direction temporarily and can be demagnetized.

Permanent magnets are formed from hard ferromagnetic materials so that these cannot be demagnetized. These magnets retain magnetism. The domains in the permanent magnet are aligned in single direction always.

Thus, the overlapping region X should have: Maintains magnetic properties in the presence of another magnet and Y: Is made from magnetically hard ferromagnetic material

Answer from: Quest

nec chapter 5 contains

c. information on special occupancy areas

nec chapter 6 covers

a. special equipment

which of the following rules contain the words shall or shall not and must be adhered to?

b. mandatory rules

which of the following rules identify actions that are allowed but not required and typically cover options or alternative methods?

c. optional rules

which of the following serves as the introduction to the nec and provides an overview of the book?

a. nec article 90

organizations that test products for safety are

c. nrtls

the nec is published by the

a national fire protection association

the nec is divided into

b. 9 chapters

the nec provides informative annexes for

c. informational materials and examples

two terms from nec article 100 that trainees should become familiar with are

b. labeled and listed

explanation:

Answer from: Quest

the answer would be c

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