Question: An x-ray machine uses 240 kV rms at 60.0 mA rms when it is operating. If the power source is a 420-V rms line, (a)

An x-ray machine uses 240 kV rms at 60.0 mA rms when it is operating. If the power source is a 420-V rms line,
(a) What must be the turn's ratio of the transformer?
(b) What is the rms current in the primary?
(c) What is the average power used by the x-ray tube?

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