In a parallel circuit, if one component fails, what happens to the rest of the circuit?
Only the failed component is affected
Voltage increases
All components fail
Current stops flowing
What is the role of a fuse in an electrical circuit?
To limit current and protect the circuit
To store energy
To connect components
To increase voltage
What is the total voltage in a series circuit?
The sum of all individual voltages
The highest voltage
The same as the lowest voltage
The average voltage
How do you calculate the total resistance in a series circuit?
Take the average of the resistances
Use Ohm's Law
Use the formula 1 / 𝑅 𝑡 𝑜 𝑡 𝑎 𝑙 = 1 / 𝑅 1 + 1 / 𝑅 2
Add all resistances together
What is the total current in a parallel circuit if each branch has a different resistance?
Total current depends on the total resistance only
Total current is the sum of currents in each branch
Total current is the average of all branch currents
The same current flows through each branch
Which circuit type is commonly used in household wiring?
None of the others
Parallel circuit
Both equally
Series circuit
What happens to the total current in a series circuit if you add more resistors?
It increases
It fluctuates
It decreases
It stays the same
If three resistors (10Ω, 20Ω, and 30Ω) are connected in series, what is the total resistance?
30Ω
60Ω
1/60Ω
10Ω
In a parallel circuit, which statement is true about the voltage across each component?
It varies depending on resistance
It is always zero
It is the same for all components
It is the sum of the voltages
Which circuit configuration is best for ensuring that devices operate independently?
Mixed circuit
Open circuit
Parallel circuit
Series circuit
What is the main characteristic of a series circuit?
Current is the same throughout
Voltage is the same across all components
Components are connected side by side
Components can be disconnected without affecting others
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
If a 12V battery is connected to two 6Ω resistors in series, what is the total current flowing through the circuit?
0.5A
3A
2A
1A