What are the advantages of a Hall switch, compared to an AC generator?
What will be an ideal response?
Like an AC generator, a Hall switch has a stationary sensor and rotating trigger wheel. Unlike the permanent magnet generator, it requires an input voltage to operate. Because the input voltage it controls is consistent, it works well at any speed, including low rpm. This is an advantage over the AC generator type of trigger, which must turn faster to generate sufficient voltage.
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Estimate the maximum number of cars in a single lane of traffic that would pass a checkpoint in one hour at an average speed of 50 mph. Safe driving practice requires one car length of spacing for each 10 mph of speed.
What will be an ideal response?
Find length x in the accompanying figure. All dimensions are in millimeters. Give your answer to the nearest hundredth millimeter.
A. 294.72 B. 296.13 C. 298.85 D. 300.44
How is grass silage made?
What will be an ideal response?
It is estimated that 75 percent of the _____'s diet is earthworms
a. woodcock b. prairie chicken c. ruffed grouse d. spotted grouse