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Figure 1 shows the steady-state current running through the superconducting solenoid of an MRI scanner during an imaging procedure.

Figure 1: A graph of electric current in amperes against time in seconds, showing a constant current of 120 A.

Explain why a standard electromagnetic transformer connected to this circuit will fail to change the voltage of this electrical supply.

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Transformers and the national grid Questions

Practise Edexcel GCSE Physics Transformers and the national grid with exam-style questions for Foundation and Higher tier. 47 questions, matched to the Edexcel GCSE Physics (1PH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

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Transformers and the national grid Questions

  1. GCSE
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  3. /Transformers and the national grid