Transformers and the national grid

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Question 11
Easy

An electrical technician is testing a step-down transformer used for a low-voltage lighting system, as shown in the diagram.

A diagram of a transformer with a rectangular soft iron core. The primary coil with 800 turns is wound around the left-hand side of the core and is connected to an input a.c. supply of 240 V. The secondary coil with 50 turns is wound around the right-hand side of the core and is connected to an output terminal representing the output voltage. Both coils are labeled with their respective number of turns.

Calculate the output voltage across the secondary coil.

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Transformers and the national grid Questions

  1. GCSE
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