Current and voltage coils and nuclear reactor: what they have in common

1. Step 1. Current and voltage coils — is part of — Electricity meter. They create fields proportional to current and voltage.
2. Step 2. Electricity meter — uses — Electromagnetic induction. An induction meter has a rotating disc.
3. Step 3. Electromagnetic induction — is used in — Transformer. Induction between the windings.
4. Step 4. Transformer — is part of — Nuclear power plant. Transformers step up the voltage so the plant's power can travel far.
5. Step 5. Nuclear power plant — has part — Nuclear reactor. The reactor heats the coolant.

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