SignalPrep
Advanced Qualification · A-002 Advanced components and circuits · A-002-002-010

Si une diode Zener de 10 volts, 50 watts, est utilisée à sa valeur maximale de dissipation, le courant qui la traverse est de :

  1. A0,05 ampère
  2. B0,5 ampère
  3. C5 ampères
  4. D50 ampères

Correct answer: C — 5 ampères. Question tirée de la banque officielle d'ISDE.

Why

A Zener diode rated at 10 volts and 50 watts conducts 5 amperes when running at its maximum limit because power equals voltage multiplied by current. The full explanation — and one for every question — is in Pro.

Practise this section

Advanced components and circuits is section A-002 of the Advanced exam: Advanced components and circuits: semiconductors, amplifier classes, oscillators, mixers, filters and digital logic.

Drill A-002 — free, no account

This question in English · All A-002 questions