Practice - Heating Effect of Current
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Practice Questions
Test your understanding with targeted questions
What happens to a resistor when current flows through it?
💡 Hint: Consider what happens to metal when you run electricity through it.
What is the formula for calculating heat produced in a resistor?
💡 Hint: Remember the relationship between heat, current, resistance, and time.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary effect of current flowing through a resistor?
💡 Hint: Think about what happens when appliances are plugged in.
True or False: The heat produced is directly proportional to the square of the current.
💡 Hint: Remember the formula we discussed.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A circuit causes a copper wire with a resistance of 2 ohms to carry a current of 10 A for 30 seconds. How much heat is produced?
💡 Hint: Apply the formula correctly and calculate.
If an electrical appliance operates at a resistance of 12 ohms and produces 1500 Joules of heat, what was the current and for how long did it operate?
💡 Hint: Choose a reasonable current to find the time.
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