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 skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve 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 is the formula for calculating electrical energy?
💡 Hint: Think about how power and time relate to energy.
Question 2
Easy
How many kilowatts are in 2000 watts?
💡 Hint: Remember, 1 kilowatt equals 1000 watts.
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 unit of measurement for energy consumption commonly used in homes?
- Watts
- Kilowatt-Hours
- Joules
💡 Hint: Think of how energy is billed in your electricity usage.
Question 2
True or False: A kilowatt-hour is equal to running a 1000 W device for 1 hour.
- True
- False
💡 Hint: Consider the implications of what kilowatt means.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the total energy cost for a household using an average of 30 kWh per week at a rate of $0.12 per kWh. What annual cost does this equate to?
💡 Hint: First find the weekly cost and then multiply by the number of weeks in a year.
Question 2
If a TV consumes 120 watts and runs for 6 hours a day, calculate the monthly energy consumption in kWh and estimate the monthly cost at $0.15 per kWh.
💡 Hint: Calculate daily use and then convert to monthly, followed by cost calculation.
Challenge and get performance evaluation