For protection of rotating machines against lighting surge ____ is used:

  1. lightning arrester
  2. capacitor
  3. combination of lightning arrester and capacitor
  4. lighting conductor and arrester
Anurag Mishra Professor Asked on 30th November 2015 in Physics.
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    Answer: (3) combination of lightning arr ester and capacitor

    Anurag Mishra Professor Answered on 30th November 2015.
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