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3 cards from this section. Quick, good the night before a test.
What is the heating effect of electric current?
Think about what happens when electricity travels through a wire.
What is Joule's Law?
It relates heat and electrical properties.
What is the primary purpose of electric heaters?
Think about what you use heaters for.
True or False: Fuses allow the current to flow indefinitely without any safety measures.
Consider the role of fuses.
An electric heater draws a current of 12A with a resistance of 8 ohms. Calculate the heat produced in 15 seconds.
Break down the formula step by step for clarity.
Compare the energy efficiency of a 60W incandescent bulb with a 10W LED bulb in terms of waste heat and light output.
Think about how each bulb generates and uses energy.
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