(Solved): In the circuit of Figure 9.1(a), suppose a photodetector were used to determine whether the lamp wo ...

In the circuit of Figure 9.1(a), suppose a photodetector were used to determine whether the lamp worked. If the lamp does not light when both switches are closed, the photodetector causes a buzzer to sound. Construct the truth table for this system. Construct the ladder logic diagram for the preceding problem. (a)