Power Systems
If L and C are 4 mH and 0.0001 μF respectively a current chop of magnitude 50 Amp would induced a voltage

 400 kV.
 50 kV.
  100 kV.
  200 kV.

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Power Systems
The draft tube is provided to

 reduce the effect of water hammer.
 raise the water surface of the stream to create an artificial head.
  increase the acting head on the water wheel.
None of these

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