A Summing Amplifier Has the Following Values: Rf = 10

question 3

Multiple Choice

A summing amplifier has the following values: Rf = 10 kΩ, and R1=R2=R3=R4=40 kΩ. Which of the following statements is true about the circuits?

• A) The circuit will not work with the values given.
• B) The output will equal the average of the four input voltages.
• C) The output will equal the sum of the four input voltages.
• D) The output will equal the sum of the squares of the four input voltages.

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Definitions:

Blizzard

A severe snowstorm characterized by strong sustained winds of 35 mph or more and lasting for a prolonged period of time, typically three hours or more.

Fallacy Of Accident

A logical error that occurs when an argument mistakenly applies a general rule to a specific case that is exceptional or atypical.

Rule Of Thumb

A practical and approximate way of doing or measuring something, based on experience rather than exact calculations.

Hasty Generalization

A logical fallacy where a conclusion is reached on the basis of insufficient evidence, generalizing too quickly from too little information.