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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 is the formula for calculating the current through a resistor?
💡 Hint: Think about how voltage and resistance relate.
Question 2
Easy
What do capacitors do in an electrical circuit?
💡 Hint: Consider their role in smoothing voltage.
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 Ohm's Law?
- V = IR
- V = I/R
- P = IV
💡 Hint: Look for the equation linking voltage, current, and resistive force.
Question 2
True or False: An inductor converts electrical energy into heat.
- True
- False
💡 Hint: Think about how inductors work compared to resistors.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
In a circuit with a 12V supply and a 4Ω resistor, calculate the current flowing through the resistor and the power it dissipates.
💡 Hint: Use both Ohm’s Law and the power formula.
Question 2
A capacitor of 200μF is charged to a voltage of 10V. Calculate the energy stored in the capacitor.
💡 Hint: Remember to convert microfarads to farads.
Challenge and get performance evaluation