A p-i-n photo diode of responsivity 0.8A/W is connected to the inverting input of an ideal opamp as shown in the figure, +V_CC = 15V, - V_CC = -15V, Load resistor R_L = 10 k$$\Omega $$ . If 10$$\mu $$W of power is incident on the photodiode, then the value of the photocurrent (in $$\mu $$A) through the load 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 _____.

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)