
DC Webxam Prep 1
Flashcard
•
Physics
•
10th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What does RMS value represent in AC circuits?
Back
RMS (Root Mean Square) value represents the effective DC value of an AC signal, allowing for the calculation of power in resistive circuits.
2.
FLASHCARD QUESTION
Front
True or False: An inductor is a coil of wire.
Back
True
3.
FLASHCARD QUESTION
Front
How do you calculate the total capacitance of capacitors in parallel?
Back
The total capacitance (C_total) is the sum of the individual capacitances: C_total = C1 + C2 + C3.
4.
FLASHCARD QUESTION
Front
What is the total capacitance of three capacitors with values 0.02 µF, 0.05 µF, and 0.10 µF in parallel?
Back
0.170 µF.
5.
FLASHCARD QUESTION
Front
What is Kirchhoff's Current Law?
Back
The total current entering a junction must equal the total current leaving the junction.
6.
FLASHCARD QUESTION
Front
If wire A carries 7A in, wire B carries 5A out, and wire C carries 2A in, what does wire D carry?
Back
Wire D carries 4A out.
7.
FLASHCARD QUESTION
Front
If wire A carries 4.2A in and wire B carries 2.6A out, what does wire C carry?
Back
Wire C carries 1.6A out.
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