1) Which of the following is an example of a load in a circuit? a) Battery b) Light bulb c) Switch d) Wire 2) A string of Christmas lights goes off when one bulb burns out? a) Alternating current (AC) b) Parallel circuit  c) Series circuit d) Direct current (DC) 3) What is the main role of a switch in a circuit? a) Store energy b) Increase current c) Control the flow of current d) Convert electrical energy to light energy 4) A string of decorative lights is wired so that if one bulb burns out, the entire. string goes dark. If you wanted the lights to stay on even when one bulb fails, which modification would work best? a) Replace the bulbs with higher wattage bulbs b) Rewire the lights in a parallel circuit c) Use alternating current instead of direct current d) Remove the switch from the circuit 5) In your classroom, the lights remain on even if one bulb burns out. How are the bulbs connected in this case? a) Parallel Circuit b) Series Circuit c) Short Circuit d) Open Circuit

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