What Type of Magnet Depends on Flowing Current to Produce

question 19

Multiple Choice

What type of magnet depends on flowing current to produce a magnetic field?

• A) electromagnet
• B) permanent magnet
• C) temporary magnet
• D) domain magnet

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Definitions:

Arachnids

Land-dwelling arthropods with no antennae and four pairs of walking legs; spiders, scorpions, mites, and ticks.

Earthworms

Invertebrate animals belonging to the phylum Annelida, known for their role in aerating the soil and enhancing soil fertility.

Crop Yields

The measure of productivity of a crop within a specific area, often influenced by factors like weather conditions, soil quality, and farming practices.

Free Nitrogen

Atmospheric nitrogen (N2) that is not bound in compounds and is inert due to its strong triple bond, making it unavailable to most organisms unless fixed.