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For an ideal power supply, the output voltage is independent of the load and the percentage regulation is

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  1. equal to zero
  2. equal to unity
  3. greater than unity
  4. less than unity but not zero

Answer (Detailed Solution Below)

Option 1 : equal to zero
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Detailed Solution

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Concept:

  • Percentage voltage regulation is defined as the difference of full load voltage to no load voltage with respect to full load voltage, i.e. Voltage Regulation = (Vno load - Vfull load)/ Vfull load .
  • Voltage Regulation is the figure of merit for a device.
  • When output is independent of the load, Vno load = Vfull load Therefore for an ideal power supply, the output voltage is independent of the load and the percentage regulation is equal to zero.
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