Practice Numerical Example 2.1 (2.5) - Fundamentals of AC Circuits - Basics of Electrical Engineering
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Numerical Example 2.1

Practice - Numerical Example 2.1

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the peak value if the RMS value is 20 A?

💡 Hint: Use the formula for peak value: Im = IRMS × √2.

Question 2 Easy

If an AC current has a peak value of 15 A, what is its RMS value?

💡 Hint: Use the inverse of the RMS formula.

1 more question available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the relationship between RMS value and peak value?

RMS = Peak / 2
RMS = Peak × √2
RMS = Peak × 2

💡 Hint: Remember the formula used for calculating RMS from peak value.

Question 2

The average value of a sinusoidal current over one complete cycle is zero. True or False?

True
False

💡 Hint: Consider what happens over one full cycle.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A sinusoidal current has an RMS value of 8 A. What are the peak and average values? Also, explain the significance of these values for circuit design.

💡 Hint: Recall the respective formulas for converting RMS to peak and average.

Challenge 2 Hard

Given a circuit that operates with a sinusoidal AC current having an RMS of 12 A, derive the average value and peak current. How would you utilize these calculations in a motor application?

💡 Hint: Use your equations for RMS conversions and think of motor ratings for context.

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Reference links

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