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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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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the relationship between electric current and magnetism?
💡 Hint: Think about compass deflections.
Question 2
Easy
What do we see when we sprinkle iron filings around a magnet?
💡 Hint: Consider how magnetic forces work.
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 does a deflected compass needle indicate?
- No magnetic field
- Weak magnetic field
- Presence of magnetic field
💡 Hint: Recall the experiment with the compass.
Question 2
True or False: A current-carrying wire can create a magnetic field.
- True
- False
💡 Hint: Remember the experiments.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A long straight wire carries a current southward. Determine the direction of the magnetic field at a point east of the wire.
💡 Hint: Use the right-hand thumb rule.
Question 2
If a solenoid has 100 turns and carries 2 Amps of current, calculate the field strength at the center if the earlier single turn had a magnetic strength of 0.1 T.
💡 Hint: Consider how field strength accumulates with turns.
Challenge and get performance evaluation