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In an inverting amplifier configuration, if the feedback resistor is 10 kOhm and

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Question: In an inverting amplifier configuration, if the feedback resistor is 10 kOhm and the input resistor is 1 kOhm, what is the gain?

Options:

  1. -10
  2. -1
  3. 1
  4. 10

Correct Answer: -10

Solution: 

The gain of an inverting amplifier is given by -Rf/Rin, which in this case is -10 kOhm / 1 kOhm = -10.

In an inverting amplifier configuration, if the feedback resistor is 10 kOhm and

Practice Questions

Q1
In an inverting amplifier configuration, if the feedback resistor is 10 kOhm and the input resistor is 1 kOhm, what is the gain?
  1. -10
  2. -1
  3. 1
  4. 10

Questions & Step-by-Step Solutions

In an inverting amplifier configuration, if the feedback resistor is 10 kOhm and the input resistor is 1 kOhm, what is the gain?
  • Step 1: Identify the feedback resistor (Rf) and the input resistor (Rin). In this case, Rf is 10 kOhm and Rin is 1 kOhm.
  • Step 2: Use the formula for the gain of an inverting amplifier, which is Gain = -Rf / Rin.
  • Step 3: Substitute the values into the formula: Gain = -10 kOhm / 1 kOhm.
  • Step 4: Calculate the gain: -10 kOhm divided by 1 kOhm equals -10.
  • Step 5: Conclude that the gain of the inverting amplifier is -10.
  • Inverting Amplifier Gain Calculation – The gain of an inverting amplifier is calculated using the formula -Rf/Rin, where Rf is the feedback resistor and Rin is the input resistor.
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