Final answer:
To test torque differences at two fan speeds, a torque sensor is used to record output at each speed, with data comparison providing the torque variation.
Step-by-step explanation:
To test the difference between the torques provided by two speeds on a tabletop fan, you can follow a methodical approach using equipment designed to measure torque and rotational speed. First, ensure that the fan is properly mounted on a stable platform to eliminate extraneous variables. Use a torque sensor or meter to measure the torque at different speeds. This sensor would be attached to the fan's motor shaft or possibly to a dynamometer setup. Then, adjust the fan to its first speed setting and record the torque output. Afterward, change the fan to its second speed setting and again record the torque output. Data analysis would involve comparing the recorded torque values at the two different speeds, which could be done using statistical software or a comparative graph. If the fan is variable-speed, ensure to allow for a stabilization period after changing speeds before taking the measurements. Once the data is collected, review the results for consistency and analyze the measurements to determine the torque variation relative to the speed of the fan. This process will help you understand how torque varies with changes in the speed setting of the fan.