difference at the two inputs

  1. J

    Op amp output different from calculated?? Any help appreciated!

    Hi all! I am new in op amp, and currently studying the basics of it.. So I designed this LM741 circuit with a single supply, I made the input at the V+ to be 1.5v supplied by a voltage divider, and a gain of 3 with feedback resistor being 20k and R1 being 10k. My problem is, according to the...