Houston Methodist Pharmacology Practice Exam

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Which of the following laws primarily explains how a transformer transfers electrical energy from its primary to its secondary winding?

Ohm's Law Faraday's Law of Electromagnetic Induction Kirchhoff's Voltage Law Coulomb's Law

Correct Answer:

Faraday's Law of Electromagnetic Induction

Explanation:

Faraday's Law states that a changing magnetic flux induces an electromotive force (EMF) in a circuit, which is the fundamental operating principle of a transformer.

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