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Consider an RC coupled amplifier at low frequency. Internal voltage gain is -120. Find the voltage gain magnitude, when given that collector resistance = 1kΩ, load = 9kΩ, collector capacitance is 0. is 0.1μF, and input frequency is 20Hz.
  • a)
    120
  • b)
    12
  • c)
    15
  • d)
    -12
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Consider an RC coupled amplifier at low frequency. Internal voltage ga...
To find the voltage gain magnitude, we need to consider the voltage divider formed by the collector resistor (Rc) and the load resistor (RL). The voltage gain magnitude (Av) can be calculated using the formula:

Av = - (RL / Rc)

Given that the collector resistance (Rc) is 1k, we can substitute this value into the formula:

Av = - (RL / 1k)

However, we need additional information to calculate the voltage gain magnitude. The internal voltage gain (-120) alone is not sufficient.
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Community Answer
Consider an RC coupled amplifier at low frequency. Internal voltage ga...
 AV = -120
fL = 1/2πCC(R+ RL) = 1/2π x 0.001 = 1000/2π = 159.15Hz
AV’ = 120/8.02 ≈ 15.
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Consider an RC coupled amplifier at low frequency. Internal voltage gain is -120. Find the voltage gain magnitude, when given that collector resistance = 1kΩ, load = 9kΩ, collector capacitance is 0. is 0.1μF, and input frequency is 20Hz.a)120b)12c)15d)-12Correct answer is option 'C'. Can you explain this answer?
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Consider an RC coupled amplifier at low frequency. Internal voltage gain is -120. Find the voltage gain magnitude, when given that collector resistance = 1kΩ, load = 9kΩ, collector capacitance is 0. is 0.1μF, and input frequency is 20Hz.a)120b)12c)15d)-12Correct answer is option 'C'. Can you explain this answer? for Electronics and Communication Engineering (ECE) 2024 is part of Electronics and Communication Engineering (ECE) preparation. The Question and answers have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus. Information about Consider an RC coupled amplifier at low frequency. Internal voltage gain is -120. Find the voltage gain magnitude, when given that collector resistance = 1kΩ, load = 9kΩ, collector capacitance is 0. is 0.1μF, and input frequency is 20Hz.a)120b)12c)15d)-12Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Electronics and Communication Engineering (ECE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider an RC coupled amplifier at low frequency. Internal voltage gain is -120. Find the voltage gain magnitude, when given that collector resistance = 1kΩ, load = 9kΩ, collector capacitance is 0. is 0.1μF, and input frequency is 20Hz.a)120b)12c)15d)-12Correct answer is option 'C'. Can you explain this answer?.
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