An opamp has ideal characteristics except that its open loop gain is given by the expression $Av(S)=10^4/(1+10^{-3}\;s).$ This op-amp is used in the circuit shown in the figure. The 3-dB bandwidth of the circuit, in $\text{rad/s}$, is
- $10^2$
- $10^3$
- $10^4$
- $10^6$