What is the typical output impedance of an ideal operational amplifier?

Practice Questions

Q1
What is the typical output impedance of an ideal operational amplifier?
  1. 0 Ohms
  2. 1 kOhm
  3. 1 MOhm
  4. Infinity

Questions & Step-by-Step Solutions

What is the typical output impedance of an ideal operational amplifier?
  • Step 1: Understand what an operational amplifier (op-amp) is. It is an electronic device used to amplify voltage signals.
  • Step 2: Learn about output impedance. Output impedance is the resistance that an amplifier presents to the load it drives.
  • Step 3: Know that an ideal op-amp is a theoretical concept. It has perfect characteristics.
  • Step 4: Recognize that the ideal op-amp has zero output impedance. This means it can deliver voltage to a load without losing any voltage itself.
  • Step 5: Conclude that because of zero output impedance, an ideal op-amp can drive any load without affecting the output voltage.
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