For higher values of voltages the window space factor of the transformer

For higher values of voltages, the window space factor of the transformer:

  1. Increases
  2. Decreases
  3. Remains constant
  4. Any of above

Correct answer: 2. Decreases

From mathematical formula of transformer window space factor:

kW = 10/(30 + kVhv)

With an increase in voltage, the window space factor decreases.

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