Practice - Alternating Current (AC)
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Practice Questions
Test your understanding with targeted questions
Define Alternating Current (AC).
💡 Hint: Think about how the current changes over time.
What does RMS stand for?
💡 Hint: It measures the effective value of AC.
3 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for RMS current?
💡 Hint: Recall the relationship between RMS and peak values.
True or False: In a purely capacitive circuit, current leads voltage by π/2.
💡 Hint: Think about the phase relationships in AC circuits.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A circuit has a peak current of 12A. Calculate the RMS current and average value over one full cycle.
💡 Hint: Use the appropriate formulas for RMS and average.
An LCR circuit has R = 10Ω, L = 0.1H, and C = 100μF. Calculate the impedance and phase angle.
💡 Hint: Remember to substitute values methodically.
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