Minimum operating current
What Minimum operating current means in Physics A-Level, as defined for AQA.
Definition of Minimum operating current
Check what you remember
Read the wording for your board, then hide it and explain Minimum operating current in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
A typical current, labelled I_Z(min), marked on the reverse branch as the lower limit below which regulation is unreliable.
Topics that use Minimum operating current
- Zener diode (A-level only) (AQA A-Level)
Related terms
- Cathode
- Circuit application
- Current limiting
- Current limiting and power dissipation
- Forward bias
- Reverse bias
- Reverse breakdown
- Reverse breakdown operation
Using Minimum operating current in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge