In the Electric-to-Heat Energy Conversion Device, demonstrate the conversion of mechanical energy into electrical energy that leads to the production of heat energy.
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Demonstrate the conversion of mechanical energy to electrical energy that then leads to the production of heat energy. A wonderful unit to have to teach concepts of Ohm’s law, wire resistance and electrical power loss in wires. Connect the terminals of the conversion device to a hand generator, turn the crank, and the supplied mechanical energy will be transformed into electrical energy. The electrical energy then passes through the 5-ohm resistor and heat is produced. A liquid crystal thermometer displays the temperature of the resistor over a range of 10–56 ºC. Your students will definitely feel how much work it takes to raise the temperature of the wire by 10 or 20 degrees. Requires a hand generator.