Which device is used to convert alternating current into direct current?

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

Full question bankExam simulationsFlashcards
From $24.99Unlock all

Study for the MTA Electrical Test. Use our flashcards and multiple choice questions to prepare, each question includes hints and explanations. Achieve success on your exam!

Multiple Choice

Which device is used to convert alternating current into direct current?

Explanation:
Rectification is the process of turning alternating current into direct current. A rectifier achieves this by using diodes that conduct in only one direction, so during each cycle of AC the current is allowed to flow in a single direction, producing direct current. In practice, you can get smoother DC by adding a filter (like a capacitor or inductor), but the essential device that performs the conversion is the rectifier. A rheostat simply limits current with resistance and does not convert AC to DC. A saturable reactor is an inductive device used for regulation, not a converter.

Rectification is the process of turning alternating current into direct current. A rectifier achieves this by using diodes that conduct in only one direction, so during each cycle of AC the current is allowed to flow in a single direction, producing direct current. In practice, you can get smoother DC by adding a filter (like a capacitor or inductor), but the essential device that performs the conversion is the rectifier. A rheostat simply limits current with resistance and does not convert AC to DC. A saturable reactor is an inductive device used for regulation, not a converter.

More Multiple Choice Questions
Subscribe

Get the latest from Passetra

You can unsubscribe at any time. Read our privacy policy