Transformers and the national grid

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Question 20
Medium

An industrial electric arc furnace is connected to a high-voltage distribution line via a step-down transformer.

The transformer has 1200 turns on its primary coil and 18 turns on its secondary coil.

An alternating potential difference of 11 kV11\text{ kV}11 kV is applied across the primary coil.

Calculate the potential difference across the secondary coil. Give your answer in volts.

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Transformers and the national grid Questions

  1. GCSE
  2. /Physics
  3. /Transformers and the national grid