Which component is a coil of wire that creates a magnetic field when current passes through it?

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Study for the AAMI Certified Associate in Biomedical Technology Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

Which component is a coil of wire that creates a magnetic field when current passes through it?

Explanation:
An inductor is a coil of wire that generates a magnetic field when current flows through it. The coil stores energy in that magnetic field and tends to oppose changes in current, a behavior that underpins filtering, tuning, and surge protection in circuits. Resistors dissipate energy as heat and don’t rely on a magnetic field from winding; capacitors store energy electrostatically; diodes control current direction. So the coil of wire creating a magnetic field with current is the inductor.

An inductor is a coil of wire that generates a magnetic field when current flows through it. The coil stores energy in that magnetic field and tends to oppose changes in current, a behavior that underpins filtering, tuning, and surge protection in circuits. Resistors dissipate energy as heat and don’t rely on a magnetic field from winding; capacitors store energy electrostatically; diodes control current direction. So the coil of wire creating a magnetic field with current is the inductor.

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