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NEET2006PhysicsWaves and SoundActual

An amplifier has a voltage gain A_V=1000 . The voltage gain in dB is

Options

  1. A30 ~dB
  2. B60 ~dB
  3. C3 ~dB
  4. D20 ~dB .

Correct answer

B. 60 ~dB

Step-by-step solution

aligned : Voltage gain in dB & =20 ₁₀ A_V & =20 ₁₀(1000)=60 ~dB . aligned

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