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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What are the two main types of wires?
💡 Hint: Think about rigidity vs. flexibility.
Question 2
Easy
What does PVC stand for?
💡 Hint: It’s a common plastic used in wires.
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 main characteristic that differentiates solid wires from stranded wires?
- Rigidity
- Cost
- Weight
💡 Hint: Think about how these wires behave.
Question 2
True or False: Aluminum is always preferred over copper for power transmission due to its low cost.
- True
- False
💡 Hint: Consider conductivity and performance.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A building requires 500 meters of wiring for a renovation. If solid copper wire is used, what is the total conductor weight if the diameter of the wire is 1 mm, given that the density of copper is 8.96 g/cm³?
💡 Hint: Use the formula for the volume of a cylinder: πr²h.
Question 2
During a review, an engineer found that using AWG 14 instead of AWG 12 for a circuit reduced the current carrying capacity by 25%. If AWG 12 has a capacity of 20 Amps, calculate the new capacity for AWG 14.
💡 Hint: Think about proportionate reductions.
Challenge and get performance evaluation