

Circuit Analysis and Current Flow
Interactive Video
•
Physics, Science
•
10th - 12th Grade
•
Practice Problem
•
Hard
Lucas Foster
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial voltage of the source in the circuit described in the video?
60 volts
50 volts
70 volts
80 volts
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to Kirchhoff's Current Law, what should the sum of currents at a junction equal?
Zero
The voltage at the junction
The resistance at the junction
The power at the junction
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the current through a resistor calculated using Ohm's Law?
Current divided by resistance
Voltage times resistance
Voltage divided by resistance
Current times resistance
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the electric potential at point A after solving the circuit?
30 volts
40 volts
50 volts
60 volts
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the new circuit example, what is the value of the independent current source?
8 amps
5 amps
7 amps
6 amps
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the resistance of R4 in the new circuit example?
3 ohms
4 ohms
5 ohms
6 ohms
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the direction of current flow between two nodes?
By measuring the current directly
By comparing the electric potentials
By comparing the resistances
By guessing
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