The circuit shown in the figure has an ideal opamp. The oscillation frequency and the condition to sustain the oscillations, respectively, are

In the circuit shown, assume that the opamp is ideal. The bridge output voltage V₀ (in mV) for $$\delta = 0.05$$ is______.

In the circuit shown, assume that the opamp is ideal. If the gain ($${V_0}/{V_{in}}$$) is -12, the value of R (in K$$\Omega $$) is _____.

Assuming that the Op-amp in the circuit shown is ideal, V₀ is given by