A light bulb will glow when electrons flow through it. As the electron flow increases, the brightness increases as well. A student hooks up two circuits containing three light bulbs in each circuit. In one circuit the lights are connected in series and in the other circuit the lights are hooked up in parallel.
If you could only see the lights in the circuit and the wires were covered from view, how could you determine the type of circuit the lights are arranged in?
A) If all the lights are equal brightness, it is a series circuit.
B) If all the lights are equal brightness, it is a parallel circuit.
C) Unscrew one light, if the others remain on it is a series circuit.
D) Unscrew one light, if the others remain on it is a parallel circuit.
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