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The coil of a moving iron instrument has a resistance of 500 Ω and an inductance of 1 H. It reads 250 V when a 250 V dc is applied. If series resistance is 2000 Ω, its reading when fed by 250 V, 50 Hz ac will be

  • A.260 V
  • B.252 V
  • C.250 V
  • D.248 V

Answer: D

No Explanation.

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