ECET 2026 EEE ECET 2026 EEE LearnNewThings September 20, 2025 0 Comments Day 11 Evening – Power Electronics & PLC: DIAC, TRIAC & UJT A strong understanding of DIAC, TRIAC, and UJT is very important for ECET 2026 aspirants. These devices are widely used in power control, triggering circuits, and AC voltage regulation....