Understanding Circuit Current and Voltage

Quiz
•
Mathematics
•
12th Grade
•
Medium
Standards-aligned
M D
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the voltage constant in a parallel circuit?
Because the current is constant in each branch.
Because each component is connected across the same two points of the circuit.
Because the resistance is the same in each branch.
Because the total current is the sum of the currents in all branches.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a series circuit, why is the current constant?
Because there are multiple paths for the current to flow through.
Because the voltage is constant across each component.
Because there is only one path for the current to flow through.
Because the resistance is the same in each component.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the current in a parallel circuit?
It remains constant in each branch.
It splits between the branches.
It decreases as it moves through each branch.
It increases as it moves through each branch.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the resistance of a component in a parallel circuit affect the current through it?
Lower resistance results in less current.
Higher resistance results in more current.
Lower resistance results in more current.
Resistance does not affect the current.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a parallel circuit, what is the relationship between the total current and the currents in the branches?
The total current is the average of the currents in all branches.
The total current is the difference between the highest and lowest branch currents.
The total current is the sum of the currents in all branches.
The total current is the product of the currents in all branches.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a parallel circuit has three branches with resistances of 2 ohms, 4 ohms, and 6 ohms, which branch will have the highest current?
The branch with 2 ohms.
The branch with 4 ohms.
The branch with 6 ohms.
All branches will have the same current.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the potential difference across each component in a parallel circuit if the supply voltage is 12 volts?
0 volts
6 volts
12 volts
24 volts
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