Question: In a differential amplifier configuration, what is the output voltage proportional to?

Options:

1. The difference between two input voltages
2. The sum of two input voltages
3. The average of two input voltages
4. The product of two input voltages

Correct Answer: The difference between two input voltages

Solution:

In a differential amplifier configuration, the output voltage is proportional to the difference between two input voltages.