Two technicians are discussing the voltage measurements taken on the circuit below: v1 = 12volts; v2 = 12volts; v3 = 0volts; v4 = 0volts. technician a states that these measurements could be caused by an open in the switch. technician b states that these measurements indicate normal operation. which technician is correct?

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The "instance" relationship shows that something is an object of a

Write a method that takes in an array of point2d objects, and then analyzes the dataset to find points that are close together. be sure to review the point2d api. in your method, if the distance between any pair of points is less than 10, display the distance and the (x,y)s of each point. for example, "the distance between (3,5) and (8,9) is 6.40312." the complete api for the point2d adt may be viewed at ~pf/sedgewick-wayne/algs4/documentation/point2d.html (links to an external site.)links to an external site.. try to write your program directly from the api - do not review the adt's source code.