torAHar4musMarishn torAHar4musMarishn
  • 19-11-2016
  • Physics
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Is there any terminal identification mark for rheostat as positive, negative?

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syed514
syed514 syed514
  • 20-11-2016
rheostats are pure resistances with a provision to vary the resistance connected in the circuit with a moving contact. Resistance do not have polarities
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