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Question: 11 the 25kv 25000 v output of a certain power...

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11 The 25kV (25000 V) output of a certain power station is first steppe up to 200 kV by a device X (i) What is the name given to the device X? (ii) If the power station delivers 4 MW (4000000 W) of power to X calculate (a) the input current to X; (b) the output current from X (assuming no power loss in X). (iii) Give a reason why, when transmission over long distances is required, power is sent at high rather than low voltages.

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