Which Speed Control Method is not Economical & Wasteful?

  1. Current control
  2. Resistance control
  3. Both (1) and (2)
  4. None of these
Anurag Mishra Professor Asked on 21st October 2015 in Physics.
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1 Answer(s)

Resistance control

Monis Rasool Professor Answered on 21st October 2015.
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