The circuit photographed below includes three identical light bulbs and two identical batteries, wired as seen in the photograph. In this photograph the switch is OFF, that is, the circuit is open at that point. The intensity level of the two light bulbs is identical (well, almost in the photograph).
The question this week is: What will happen when the switch is turned ON, closing the circuit.
The upper light bulb will:
The lower light bulb will:
The center light bulb will:
Click here for Answer #21 after July 17, 2000.
