Practice - Electricity and Magnetism (Revisiting Unit 6)
Practice Questions
Test your understanding with targeted questions
What is the unit of electric current?
💡 Hint: Think about what we measure current in.
What is the relationship of voltage in Ohm's Law?
💡 Hint: Remember the ‘V’ stands for voltage.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What law relates voltage, current, and resistance?
💡 Hint: It's named after a scientist who studied electricity.
True or False: In parallel circuits, if one component fails, all others will also fail.
💡 Hint: Think about how household wiring works.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A circuit has a total resistance of 15 Ω and operates under a voltage of 30 V. Calculate the total current flowing through the circuit.
💡 Hint: Apply Ohm's Law to find the current.
An electromagnet with 50 turns of wire carries a current of 3 A. If the number of turns is doubled and the current remains the same, how does the magnetic strength compare?
💡 Hint: Consider how this relationship works.
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Reference links
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