Figure $19 < 2$ -What Change Causes the Circuit in Figure 19-2(b) to Output

question 80

Multiple Choice

Figure $19 < 2$
-What change causes the circuit in Figure 19-2(b) to output the average of the three input voltages?

• A) Change the input resistors to 3.3 \(\mathrm { k } \Omega \text {. }\)
• B) Change the feedback resistor to 3.3 \(\mathrm { k } \Omega \text {. }\)
• C) Change to a different type of op-amp.
• D) Change the feedback resistor to 10 \(\mathrm { k } \Omega\)

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