Use a child's toy motor with a small fan blade, use a small bracket to support the toy motor, use two wires to connect the two electrodes of the toy motor to a 1.5 volt bead or multimeter, and then face it When the electric fan is started (use strong wind speed), the rotation of the toy motor blades can be observed on a multimeter or a 1.5-volt electric bead (which needs to rotate quickly). If you have any questions, please leave a message in my space.
Wind power generation model for junior middle school energy saving activities
Introduction The energy-saving activity for junior middle school wind power generation model uses a child's toy motor with a small fan blade, a small bracket to support the toy motor, and two wires to connect the two electrodes of the toy motor with 1.5