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Final examination semester 2 academic year 2019-2020 course name: Principles of physics 2 (Test number 1) - ĐH Sư phạm Kỹ thuật

Final examination semester 2 academic year 2019-2020 course name: Principles of physics 2 (Test number 1) dưới đây nhằm giúp các em có thêm tư liệu để tham khảo cũng như củng cố kiến thức trước khi bước vào kì thi. Cùng tham khảo và giải đề thi để ôn tập kiến thức và làm quen với cấu trúc đề thi. | HOCHIMINH CITY FINAL EXAM UNIVERSITY OF TECHNOLOGY AND EDUCATION 2nd SEMESTER ACADEMIC YEAR 2019-2020 FACULTY OF APPLIED SCIENCES Subject Principles of Physics 2 Course Number PHYS130502E Test number 01 2 pages . Duration 90 minutes. Note Students are allowed to use one hand-written A4 paper sheet as a memory aid. Proctors are NOT allowed to explain anything related to contents of the test. The permeability of free space is 0 4 10 7 T.m A. The Coulomb constant is k 9.00 109 N.m2 C2. Question 1 0.5 marks An object with negative charge is placed in a region of space. The electric field at this position is directed horizontally southward. What is the direction of the electric force exerting on this charge A. It is horizontal northward. B. It is horizontal southward. C. There is no force. D. The force can be in any direction. Question 2 0.5 marks A solid insulating sphere carries positive electric charge uniformly distributed throughout its volume. Concentric with the sphere is a conducting spherical shell with no net charge as shown in Figure 1. Consider the electric flux through concentric spherical surfaces through points A B C and D. A is located inside the solid sphere. C is inside the shell. Which statement is incorrect Figure 1. A. B D B. A gt C C. A D D. D gt A Question 3 0.5 marks An electromagnetic wave with a peak magnetic field magnitude of 1.50 10 7 T has an associated peak electric field of what magnitude A. 0.500 10 15 N C B. 2.00 1015 N C C. 2.25 104 N C D. 45.0 N C Question 4 0.5 marks A Fraunhofer diffraction pattern is produced on a screen located 1.00 m from a single slit. If a light source of wavelength 0.500 m is used and the distance from the center of the central bright fringe to the first dark fringe is 5.00 mm what is the slit width A. 0.0100 mm B. 0.100 mm C. 0.200 mm D. 1.00 mm Question 5 1.0 mark A loop of wire is moving with constant velocity near a long straight wire carrying a constant current I as shown in Figure 2. a Determine the .