_________________Use an Oscillating Magnetic Field to Detect Ferrous Metal Items

question 18

Multiple Choice

_________________use an oscillating magnetic field to detect ferrous metal items.

• A) Limit switches
• B) Inductive proximity switches
• C) Photoelectric proximity switches
• D) Hall effect sensors

---

Definitions:

Revolutions

Significant changes or transformations within societies, often characterized by political, social, or economic upheaval, and sometimes involving conflict.

Monarchies

A form of government with a monarch at the head, where the position is usually inherited and held for life, ranging from absolute monarchies, where the monarch has wide powers, to constitutional monarchies, where their role is ceremonial.

Ralph Waldo Emerson

A 19th-century American essayist, lecturer, philosopher, and poet who led the transcendentalist movement of the mid-19th century.

Fugitive Slave Act

Part of the Compromise of 1850, this law required that escaped slaves, upon capture, be returned to their masters and that officials and citizens of free states had to cooperate.