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In a differential amplifier, what is the output voltage if both inputs are equal

Practice Questions

Q1
In a differential amplifier, what is the output voltage if both inputs are equal?
  1. 0V
  2. Vin
  3. Vout
  4. Rf/Rin

Questions & Step-by-Step Solutions

In a differential amplifier, what is the output voltage if both inputs are equal?
  • Step 1: Understand what a differential amplifier does. It takes two input voltages and amplifies the difference between them.
  • Step 2: Identify the two inputs of the differential amplifier. Let's call them Input A and Input B.
  • Step 3: If both Input A and Input B are equal, it means there is no difference between them.
  • Step 4: Since the differential amplifier amplifies the difference, if there is no difference (both inputs are equal), the output will be zero.
  • Step 5: Therefore, when both inputs are equal, the output voltage of the differential amplifier is 0V.
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