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8. An appliance has a resistance of 15.0 9. It uses 30.0 V, supplied by the secondary coil of a transformer. The transformer has 200

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8. An appliance has a resistance of 15.0 9. It uses 30.0 V, supplied by the secondary coil of a transformer. The transformer has 200 turns in its primary coil and is plugged into a IZO-V source. Calculate: (4 marks) (a) the current in the secondary coil (b) the current in the primary coil (c) the power rating of the transformer (d) the amount of energy the appliance uses in one minute

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