1.Why hydrogen used for cooling in generators 2.Why electrical equipment protect

1.Why hydrogen used for cooling in generators
2.Why electrical equipment protected by ground
3.Why earthing for transmission line
4.What is rms value of half wave rectified square wave. If Rms value of actual wave 2amps.

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1.Why hydrogen used for cooling in generators 2.Why electrical equipment protected by ground 3.Why e..

Answer / ckr41091

RMS value will be 1.414.

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