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The output voltage of a voltage amplifier has been found to decrease by 20% when a load resistance of 1 kΩ is connected. What is the value of the amplifier output resistance?
  • a)
    50Ω
  • b)
    200Ω
  • c)
    250Ω
  • d)
    350Ω
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The output voltage of a voltage amplifier has been found to decrease b...
250 / (1000 + 250) X 100% = 20%. Hence the output resistance is 250 ohm.
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Most Upvoted Answer
The output voltage of a voltage amplifier has been found to decrease b...
Ω is connected to its output. This means that the output voltage decreases by 20% when the load resistance is added.
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The output voltage of a voltage amplifier has been found to decrease by 20% when a load resistance of 1 kΩ is connected. What is the value of the amplifier output resistance?a)50Ωb)200Ωc)250Ωd)350ΩCorrect answer is option 'C'. Can you explain this answer?
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