Question

If input offset voltage $\left(V_{10}\right)$ of given circuit is 1.2 mV, then output offset voltage is ___

• A. -90 mV
• B. 91.2 mV
• C. 91.2 V
• D. 90 V

Answer 1

The correct option is B 91.2 mV


$V_{0\left(offset\right)}=V_{10}(1+\frac{R_f}{R_1})$

$V_{0\left(offset\right)}=1.2\times {10}^{-3}\times (1+\frac{150}{2})$

= 91.2 mV