Practice Formula For Pure Sinusoidal Waveform (2.2.2) - Fundamentals of AC Circuits
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Formula for Pure Sinusoidal Waveform

Practice - Formula for Pure Sinusoidal Waveform

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the amplitude of the waveform v(t) = 150sin(200t + 30°)?

💡 Hint: Look for the peak value in the sine function.

Question 2 Easy

If the frequency of a waveform is 50 Hz, what is its period?

💡 Hint: Use the formula T = 1/f.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does RMS stand for?

Root Mean Square
Radical Mean Square
Random Mean Square

💡 Hint: Think about the calculations of power in circuits.

Question 2

True or False: The average value of a full cycle of a symmetric sine wave is zero.

True
False

💡 Hint: Consider how positive and negative cycles balance out.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Calculate the RMS value, average value, and phase angle for a sine wave given by the equation v(t) = 250sin(500t + 120°).

💡 Hint: Use the formulas for RMS and average calculated above.

Challenge 2 Hard

A sinusoidal waveform alternates at a frequency of 60 Hz with a peak voltage of 120 V. What are the period and phase angle if it leads the time of reference by 30°?

💡 Hint: Calculate period from frequency and phase from the given equation.

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Reference links

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