Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβperfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
Youβve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take mock test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define phase angle in the context of AC circuits.
π‘ Hint: Think about how voltage and current waveforms interact.
Question 2
Easy
What does it mean if the phase angle is positive?
π‘ Hint: Think about inductors and their behavior.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does a positive phase angle in an AC circuit indicate?
- The circuit is resistive
- The circuit is inductive
- The circuit is capacitive
π‘ Hint: Think about how inductors behave in circuits.
Question 2
True or False: A phase angle of 0 degrees indicates perfect power factor.
- True
- False
π‘ Hint: Consider what it means for waveforms to align perfectly.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
An AC circuit has R=5Ξ©, X_L=15Ξ©, and X_C=10Ξ©. Calculate the phase angle and explain the type of circuit.
π‘ Hint: Remember to apply inverse tangent to find the angle.
Question 2
In a practical setting, if an engineer discovers a circuit has a phase angle of -25 degrees, what should they do to correct it and improve efficiency?
π‘ Hint: What components affect reactance in AC circuits?
Challenge and get performance evaluation