Multisim and Ultiboard

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op amp issue.

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Hello. 

 

for a ou assignment i have been asked to develop an opp amp circuit , i am getting a non changing input , no matter the loop resistance i still get the same output ? has anyone got any ideas ? 

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Hello, please always post the circuit in question and what you are trying to design/simulate. Otherwise there is now way anyone can guess what you need help with.

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