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A strand of 10 lights is plugged into an outlet. How can you determine if the lights are connected in series or parallel?

AUnscrew one light. If the other lights stay on, it's a series circuit.
BUnplug the strand. If the first light stays on, it's a series circuit.
CUnscrew one light. If the other lights turn off, it's a series circuit.
DCut the strand in half. If the plugged in half stays on, it's a series circuit.

Verified Answer :

apologiabiology

series circuits, the current runs through all of them and they are conncted by the bulbs, so if you unscrew one, all light turn off

paralell, they are kinda independent, if you unscrew one, nothing happens to others

look at options
A. unscrew 1 light, if stay on, it's series, false, that's paralell

B. unplug, if stay  on (then you have pozessed lights)

C. unsrew light, if stays on, it's parlell RIGHT ANSWER

D. cut strand in half (will cut power) if the plugged half stays on, then (pozessed circuit)

answer is C

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