You are provided with an ideal op amp and three 10kΩ resistors. Using series and parallel resistor combinations, how many different inverting-amplifier circuit topologies are possible?(a) 2(b) 3(c) 4(d) 5The question was asked by my school principal while I was bunking the class.I'd like to ask this question from The Inverting Configuration in chapter Operational Amplifiers of Electronic Devices & Circuits

You are provided with an ideal op amp and three 10kΩ resistors. Using

1.	You are provided with an ideal op amp and three 10kΩ resistors. Using series and parallel resistor combinations, how many different inverting-amplifier circuit topologies are possible?(a) 2(b) 3(c) 4(d) 5The question was asked by my school principal while I was bunking the class.I'd like to ask this question from The Inverting Configuration in chapter Operational Amplifiers of Electronic Devices & Circuits
Answer» RIGHT option is (c) 4 Best explanation: Consider series and PARALLEL combination of the RESISTANCES provided and ARRANGE then in the feedback region and as output resistance.

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