Physics > (1)A transformer has only one turn of wire on the secondary coil. The potential difference across the secondary coil is 11.5 V The potential difference across the primary coil is 230 V > Flashcards
(1)A transformer has only one turn of wire on the secondary coil. The potential difference across the secondary coil is 11.5 V The potential difference across the primary coil is 230 V Flashcards
2(b) 20 allow 1 mark for correct
substitution, ie
230
11.5
provided no subsequent step
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