S2.25 Parallel Circuits
Presentation
•
Science
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9th Grade
•
Practice Problem
•
Easy
Jessica Villagomez
Used 14+ times
FREE Resource
23 Slides • 12 Questions
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Fill in the Blanks
Fill in the blank: In a parallel circuit, the total resistance is always
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10
Fill in the Blanks
The colored stripes on a resistor are a code that tells an electrical engineer the amount of
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Multiple Choice
Which of the following best describes the relationship between voltage, current, and resistance in a circuit according to Ohm's law?
Current is equal to voltage divided by resistance.
Voltage is equal to current divided by resistance.
Resistance is equal to voltage times current.
Current is equal to resistance divided by voltage.
13
Multiple Select
Which of the following are necessary to calculate the current in a circuit using Ohm’s Law?
Voltage (V)
Resistance (R)
Power (P)
Current (I)
14
Multiple Choice
Which of the following best describes what happens to the current in a circuit if the resistance increases while the voltage stays the same?
The current increases
The current decreases
The current stays the same
The current becomes zero
15
Multiple Choice
A resistor has a resistance of 280 Ω. How much current is in the resistor if there is a potential difference of 120 V across the resistor?
160 A
0.43 A
0.12 A
2.3 A
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Fill in the Blanks
A 50.0 V battery maintains current through a 20.0 Ω resistor. What is the current through the resistor?
17
Fill in the Blanks
Ohm's Law relates current to voltage and the amount of
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Multiple Select
Which of the following statements are true about series circuits?
There is only one path for current to flow.
If one component fails, the others keep working.
The total resistance is the sum of all resistances.
The total current is the sum of all currents.
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Multiple Choice
An electric kettle with 50-Ω heat element is powered by a 230-V wall outlet. The current flowing through kettle is:
0.217 A
4.6 A
10.86 A
11500 A
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Multiple Choice
Which of the following statements about parallel circuits is correct based on the data?
The total voltage increases as more bulbs are added
The total current stays the same as more bulbs are added
Each bulb receives the same voltage in parallel circuits
The current through each bulb decreases as more bulbs are added
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Multiple Choice
Based on the data for series circuits, what happens to the total current as more bulbs are added in series?
The total current increases
The total current decreases
The total current stays the same
The total current fluctuates randomly
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