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Q. An electron in an x-ray machine is accelerated through a potential difference of 1.00 × 104 V before it hits the target. What is the kinetic energy of the electron in electron volts?

Q. An AC power generator produces 46 A (rms) at 3600 V. The voltage is stepped up to 100000 V by an ideal transformer, and the energy is transmitted through a long-distance power line that has a resistance of 100 . What percentage of the power delivered by the generator is dissipated as heat in the power line?

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