An AC power generator produces 25 A (rms) at 3600 V. The energy ...

[Kikoku]

An AC power generator produces 25 A (rms) at 3600 V. The energy is transmitted through a long-distance power line, which has a total resistance of 50 W. What percentage of the power delivered by the generator is dissipated as heat in the long-distance line if a step-up transformer is not used?
 a. 69
  c. 0.09
  b. 35
  d. 1.8

Question 2

Of the frequencies listed below, to which one is the human ear most sensitive?
 a. 33 Hz
  c. 3300 Hz
  b. 330 Hz
  d. 33,000 Hz

[sultana.d]

Answer to Question 1

B

Answer to Question 2

C

[Kikoku]

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[sultana.d]

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