Physics A-Level
Cathode
What Cathode means in Physics A-Level, as defined for AQA.
Definition of Cathode
Check what you remember
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Reference: AQA
The n-type terminal of the Zener diode, marked by a band on the package, and positive relative to the anode in reverse bias.
Topics that use Cathode
- Zener diode (A-level only) (AQA A-Level)
Related terms
- Circuit application
- Current limiting
- Current limiting and power dissipation
- Forward bias
- Minimum operating current
- Reverse bias
- Reverse breakdown
- Reverse breakdown operation
Using Cathode in the exam
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