| availability | Availability: A Crucial Concept in Elec… | Electrical |
| available bit rate (ABR) | Unlocking Network Capacity: Understandi… | Electrical |
| available power | Understanding Available Power in Electr… | Electrical |
| avalanche breakdown | Avalanche Breakdown: A Catastrophic Fai… | Electrical |
| avalanche injection | Avalanche Injection: When Electrons Go … | Electrical |
| avalanche photodiode (APD) | Amplifying the Signal: Avalanche Photod… | Electrical |
| average optical power | Demystifying Average Optical Power: Und… | Electrical |
| average picture level (APL) | The Silent Hero of Video: Understanding… | Electrical |
| average power | Understanding Average Power in Electric… | Electrical |
| average-value model | The Average-Value Model: Simplifying Co… | Electrical |
| averaging | Averaging in Electrical Engineering: A … | Electrical |
| AVR | AVR: Keeping the Power Steady In the w… | Electrical |
| AWG | Unraveling the Mystery of AWG: Understa… | Electrical |
| AWGN | AWGN: The Unseen Enemy of Communication… | Electrical |
| axon | The Axon: The Electrical Highway of the… | Electrical |
| Ayrton, William Edward | William Edward Ayrton: A Pioneer of Ele… | Electrical |
| azimuth recording | Azimuth Recording: A Twist in the Tape … | Electrical |
