A house is supplied with a 240v ac mains to operate a door bell rated at 8v, a transformer is used if the number of turns in the primary coil of the transformer is 900
*calculate the number of turns in the secondary coil of the transformer
* find the turn ratio
* if the current in the primary coil is 0.63 mA calculate the workout put?
In Physics
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Asked by Godstime on 9th January, 2022
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