Iron, Rather Than Copper, Is Used in the Core of Transformers

question 5

Multiple Choice

Iron, rather than copper, is used in the core of transformers because iron:

• A)can withstand a higher temperature
• B)has a greater resistivity
• C)has a very high permeability
• D)makes a good permanent magnet
• E)insulates the primary from the secondary

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Definitions:

Sensitization

An increased reaction to a stimulus following repeated exposures to it.

Classical Conditioning

An educational method where a connection is made between a stimulus in the environment and one that occurs naturally, resulting in a conditioned response.

Stimuli

Physical or chemical changes in the external or internal environment that evoke a response from a living organism.

Acclimation

The process of an organism adjusting to change in its environment, allowing it to survive and reproduce.