Question

pls fill this table out for the question Research Question How is current flow in a...

pls fill this table out for the question

Research Question

How is current flow in a circuit impacted as more bulbs are added in series?

Independent Variable (IV)

Dependent Variable (DV)

Control Variables (CV)

Observed Outcome

General Conclusion/Claim

(specific to the research question)

Homework Answers

Answer #1

Independent Variable:

variable which is changed in the experiment. Here we are adding more bulbs (bulbs = resistors) so IV is bulb or resistors.

Dependent Variable:

Variable which changes on changing DV. Here current will change on changing number of bulbs. So Current is DV

Control Variable:

This is kepth constant throughout the experiment. Here we keep Voltage or potential difference constant. So it's a CV.

Observed outcome:

Adding more bulbs in series will increase the total resistance in the circuit. Since

Current = (Potential Difference) / (Total Resistance)

The current in the circuit will decrease.

Conclusion

The DV (current) is inversely proportional to the IV (number of bulbs)

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