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15
×
If three resistors (10ÎĐ, 20ÎĐ, and 30ÎĐ) are connected in series, what is the total resistance?
60ÎĐ
30ÎĐ
10ÎĐ
1/60ÎĐ
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15
×
Which circuit type is commonly used in household wiring?
Parallel circuit
None of the others
Both equally
Series circuit
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seesaw
Swap points!
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gift
Win 10 points!
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rocket
Go to first place!
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thief
Give points!
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10
15
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25
15
×
Which circuit configuration is best for ensuring that devices operate independently?
Series circuit
Mixed circuit
Open circuit
Parallel circuit
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15
×
What is the total current in a parallel circuit if each branch has a different resistance?
Total current is the average of all branch currents
Total current is the sum of currents in each branch
The same current flows through each branch
Total current depends on the total resistance only
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15
×
What is the main characteristic of a series circuit?
Current is the same throughout
Components are connected side by side
Components can be disconnected without affecting others
Voltage is the same across all components
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15
×
In a parallel circuit, which statement is true about the voltage across each component?
It is the same for all components
It is the sum of the voltages
It is always zero
It varies depending on resistance
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15
×
What is the role of a fuse in an electrical circuit?
To increase voltage
To store energy
To connect components
To limit current and protect the circuit
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15
×
What is the total voltage in a series circuit?
The average voltage
The same as the lowest voltage
The highest voltage
The sum of all individual voltages
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15
×
How do you calculate the total resistance in a series circuit?
Use the formula 1 / ð ðĄ ð ðĄ ð ð = 1 / ð 1 + 1 / ð 2
Take the average of the resistances
Use Ohm's Law
Add all resistances together
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15
×
If a 12V battery is connected to two 6ÎĐ resistors in series, what is the total current flowing through the circuit?
3A
0.5A
1A
2A
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15
×
What happens to the total current in a parallel circuit as more branches are added?
Total current becomes 0
Total current increases
Total current decreases
Total current stays the same
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15
×
What happens to the total current in a series circuit if you add more resistors?
It decreases
It stays the same
It increases
It fluctuates
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banana
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seesaw
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fairy
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25
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baam
Lose 10 points!
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15
×
In a parallel circuit, if one component fails, what happens to the rest of the circuit?
Current stops flowing
Only the failed component is affected
Voltage increases
All components fail
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lifesaver
Give 25 points!
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fairy
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fairy
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baam
Lose 15 points!
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