...(b) A transformer is needed to convert a mains 240V supply into a 12 V supplyXthere are 2000...

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Transcript of ...(b) A transformer is needed to convert a mains 240V supply into a 12 V supplyXthere are 2000...

Page 1: ...(b) A transformer is needed to convert a mains 240V supply into a 12 V supplyXthere are 2000 turns on the primary coil, then find the number of turns on the secondary coil? 9. (a)
Page 2: ...(b) A transformer is needed to convert a mains 240V supply into a 12 V supplyXthere are 2000 turns on the primary coil, then find the number of turns on the secondary coil? 9. (a)