For the voltage regulator circuit shown, the input voltage (V_in) is 20V $$ \pm $$ 20% and the regulated output voltage (V_out) is 10 V. Assume the opamp to be ideal . For a load R_L drawing 200 mA, the maximum power dissipation in Q₁ (in Watts) is ______.

Assuming that the op-amp in the circuit shown below is ideal, the output voltage V₀ (in volts)

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

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