# Desert Ridge High School Ohms Law Series and Parallel Resistors Worksheet

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Science

desert ridge high school

### Description

Background Information:

1. Ohm's law and resistance (6 min):Ohm's Law (Links to an external site.)
2. Adding resistors in series and parallel (6 min):Series vs Parallel Circuits (Links to an external site.)
3. Series and parallel circuits calculations: https://learn.sparkfun.com/tutorials/series-and-parallel-circuits

Also worksheet do!

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Here you go! I have attached the answer in a word document for you. Feel free to ask for any clarification or edits.

Last Name 1

Name
Instructor's name
Course
Date
Gizmo Warm-up
1. A. How does changing the battery’s voltage affect the current?
Answer: Increasing the battery’s voltage, increases the flow of electrons which result
to increase in the current and vice-versa.
1. B. How does changing the battery’s voltage affect the brightness of the light?
Answer: Increasing the battery’s voltage, increases the brightness of the bulb while
decreasing the battery’s voltage makes it dim.
2. Remove the wire. What happens?
Answer: The bulb goes off (no longer gives light).
3. What is the measured current (include units!)?
4. Move the ammeter to the other side of the bulb. Does the bulb “use up” current? (Y/N)
5. What is this voltage (include units!) ?
Activity A: Ohm’s law
1. Form hypothesis: How do you think increasing the resistance in a series circuit changes
the
current in the wire (increases/decreases/unchanged)?
Answer: increasing the resistance in a series circuit decreases the current in the wire
2. Observed
3. Collected data:
Voltage V
10 volt
20 volt
30 ...

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Anonymous
Excellent resource! Really helped me get the gist of things.

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