(Solved):
15.Construct a fault tree for the circuit in figure below, with the top event "No Light from Bulb" ...
15.Construct a fault tree for the circuit in figure below, with the top event "No Light from Bulb" and boundary conditions: Initial Condition: \( \quad \) Switch is closed Not-allowed events: Failures external to the system. Existing events: \( \quad \) None 16. Construct a fault tree for the circuit in figure below, with the top event "Light fails off".