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

Question 8 options:

1) Unscrew one light. If the other lights turn off, it's a series circuit.

2) Unscrew one light. If the other lights stay on, it's a series circuit.

3) Unscrew one light. If the other lights stay on, it's a parallel circuit.

4) Unscrew one light. If the other lights turn off, it's a parallel circuit.

1) True; 2) False; 3) True; 4) False

Explanation:

To better understand and solve this problem in an easier way, the attached diagram shows two circuits A & B. A is connected in series and B in parallel. In each of the circuits, we can see that different currents are generated, in the serial circuit, you have a single current, while the parallel circuit you have the main current plus two currents.

1)

This is true (for a series circuit) , when one of the bulbs is removed the only current that exists in the circuit is interrupted, so the other bulbs will not work.

2)

This is false, removing a light bulb involves interrupting the current, therefore no light bulb in this type of series circuits will continue its work.

3)

This is true, because when removing one of the bulbs, the current is not interrupted for the other bulbs, each has its own current.

4)

This is false, a circuit connected in parallel, allows the division of the current, in each of its loads, so each load will have its respective current.

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explanation:

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide