Question

For the given ideal op-amp,

The output voltage $V_{out}$ is ______.

• A. 24 V
• B. 8V
• C. 15 V
• D. 12 V

Answer 1

The correct option is D 12 V

$V_{out}=(1+\frac{4000}{2000})V_{in}$

= ( 1+2 )$\times$ 4 = 12 V