a-120-1600-v-transformer-takes-no-load-current-of-5-a-at-a-lagging-power-factor-of-0-3-the-core-losses-are

A 120/1600 V transformer takes no-load current of 5 A at a lagging power factor of 0.3 The core losses are – Transformer MCQ#40

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A 120/1600 V transformer takes no-load current of 5 A at a lagging power factor of 0.3 The core losses are:

  1. 90 W
  2. 180 W
  3. 360 W
  4. 720 W

Correct answer: 2. 180 W

Explanation: Core losses formula = V1 I0 Cos φ = 120 * 5 * 0.3 = 180 W

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