When one lightbulb goes out in this circuit, the other two lightbulbs also go out, When one lightbulb in this circuit goes out, the other remain lit, When switch 1 is closed, only the blue bulb is lit, One lightbulb in this circuit will never work, When switch 2 is closed, only the green bulb will be lit, Two lightbulbs in this circuit will never work, One lightbulb will be lit even when both switches are open, When switch 2 is closed, only the red bulb will glow,

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