All work on the exam is done individually, you have no lab partners. You may ref
ID: 2251174 • Letter: A
Question
All work on the exam is done individually, you have no lab partners. You may refer to the lab manual and to you graded lab reports for this semester during the exam Textbooks are not allowed. The first two questions consist of problems for you to solve. The next three questions consist of hands-on activities where you will need to collect the necessary information. You will rotate through the hands-on activities having 7-10 minutes to collect the required data at each nation. Use engineering paper for the exam and not the lab exam sheet itself. Turn your lab exam sheet in as a cover sheet for the exam and make sure that the exam problems are submitted in numerical order from 1 to 5. Be sure to include the reasoning and steps used in determining your answers: An infinitely long straight wire has a net negative charge distributed uniformly along its length with a value of -2.5 Times 104 C in each meter of length. An arbitrary closed surface enclosed a 5.5 m length of the wire. Using the principle of superposition (adding the electric fields of the individual charges together at each point in space), explain/show with the aid of a diagram(s) the charge on the wire and the direction of the electric field produced by this "line" of charge. Note: A side view and an end view of the charged wire may be helpful! Calculate the value of the total electric flux through the closed surface described above. Express your answer in SI units. [The permittivity of free space, epsilon0 = 8.85 Times 1042 C2/N-m2,] A simple microscope is constructed using an objective lens with a focal length of 2.00 cm and an eyepiece lens with a local length of 9.00 cm. A ruler with millimeter divisions is placed 2.20 cm in front of the objective lens. The eyepiece lens is located a distance of 30.0 cm behind the objective lens, and your eye is located an additional 4.00 cm behind the eyepiece. Calculate the value of the angular magnification for this configuration. [HINT: Make a simple labeled diagram showing the positions of the ruler, the lenses, and your eye to aid in visualizing the problem: then show/explain each step in your solution. No ray diagram is required.]Explanation / Answer
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