Reference electrode and electrical grid: what they have in common

1. Step 1. Reference electrode — is part of — pH meter. It provides a stable reference potential.
2. Step 2. pH meter — has part — Amplifier. It amplifies the weak signal of the electrode.
3. Step 3. Amplifier — includes — Hi-fi amplifier. An amplifier.
4. Step 4. Hi-fi amplifier — has part — Transformer. The power supply is a transformer.
5. Step 5. Transformer — is part of — Electrical grid. Transformer substations.

Open Evothings