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Our Design REPLACE WITH WORDS ABOUT YOUR WINDMILL DESIGN Our Experiment REPLACE WITH DESCRIPTION OF YOUR EXPERIMENT Results EDIT WITH YOUR VALUES Reading 1 Current [ 15.5] mA Reading 2 Current [ 14.9] mA Reading 3 Current [ 15.6] mA Reading 4 Current [ ] mA Average Current = [ 15.333 ] mA Windspeed at fan = [ 5.7 ] ms-1 Resistance = [ 100 ] Ohms Power = I * I * R (remember to convert mA to A) 23.51 So with a windspeed of [s ] our turbine generates an average current of [I ] mA delivering [P ] (convert W to mW) mW per second so in 10 minutes it could generate [P * 600 ] mW. If playing music on an iPod classic consumes about 77mW per second, 10 minutes of turbine time (assuming 100% energy transfer efficiency) can power [ 183.2 ] seconds of playback time, enough to listen to about [ 1 ] 3 minute songs. Thoughts REPLACE THIS WITH YOUR THOUGHTS: HOW COULD YOUR WINDMILL BE IMPROVED, HOW COULD THE EXPERIMENT BE IMPROVED, IS 100% EFFICIENCY ENERGY TRANSFER REALISTIC, WHAT WOULD YOU ASK AN EXPERT, HOW CAN TECHNOLOGY SUPPORT SCIENCE TEACHING AND LEARNING, ETC... |
Can you design a better windmill?
CM14102402
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