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
What does P stand for in the formula P = V_rms * I_rms * cos(Ο)?
π‘ Hint: Think about what we measure in electrical energy.
Question 2
Easy
What does the power factor tell you?
π‘ Hint: Relate it to over half vs. just what you need.
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 is the formula for calculating power in AC circuits?
- P = V * I
- P = V_rms * I_rms * cos(Ο)
- P = V^2 / R
π‘ Hint: Look for the formula that includes cos(Ο).
Question 2
True or False: A higher power factor indicates less efficiency.
- True
- False
π‘ Hint: Think about what high efficiency means.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
An AC motor has a voltage of 240V and draws a current of 10A with a power factor of 0.7. How much active power is being consumed?
π‘ Hint: Use the power calculation formula with the given values.
Question 2
Discuss the potential consequences if a business operates with a power factor consistently below 0.5.
π‘ Hint: Consider operational efficiency and costs related to energy consumption.
Challenge and get performance evaluation