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 a secondary battery?
💡 Hint: Think about the difference between rechargeable and non-rechargeable.
Question 2
Easy
Name one example of a secondary battery.
💡 Hint: Think of batteries commonly used in cars or portable devices.
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 type of batteries can be recharged?
- Primary Batteries
- Secondary Batteries
- Both
💡 Hint: Think about which batteries are designed for multiple uses.
Question 2
True or False: Lead-Acid batteries are often used in portable electronics.
- True
- False
💡 Hint: Consider what type of devices rely on lightweight batteries.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Discuss the implications of switching from primary to secondary batteries in consumer electronics.
💡 Hint: Think about environmental impacts.
Question 2
Calculate the effective lifespan in cycles of a Lead-Acid battery used in a car if it can be recharged 500 times and a typical deep discharge cycle counts as 300 uses.
💡 Hint: Relate lifespan to how often it can be drained and recharged effectively.
Challenge and get performance evaluation