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A 48-volt control coil has 120 ohms effective resistance. What steady-state current does it draw?

Texas Journeyman exam practice question · Controls & Disconnecting Means

A 48-volt control coil has 120 ohms effective resistance. What steady-state current does it draw?

  • 0.40 ampere
  • B5.76 amperes
  • C2.50 amperes
  • D0.20 ampere

Why A is correct

Current equals voltage divided by resistance: 48 ÷ 120 = 0.40 ampere. Keep units consistent and use only the factors stated; no optional method or unstated demand factor is assumed.

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