A

Admin • 833K Points
Coach

Q. If the output power of an amplifier is 10 V, and the input power supplied to the amplifier is 0.229 V given that the DC voltage used is

  • (A) 25%
  • (B) 50%
  • (C) 75%
  • (D) 35%

Explanation by: Admin

efficiency of a power amplifier is (pout- pin)/ pdc substituting the given values in the above expression, efficiency of the power amplifier is 25%.

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