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University Physics Semester 2 ALL/ALL ID153489996985

**6 Tests = 3 versions x 2 variations: **Each of the 2 variations (A, B, ...) represents a different random selection of questions taken from the study guide.The 3 versions (0,1,..) all have the same questions but in different order and with different numerical inputs. Unless all students take version "0" it is best to reserve it for the instructor because the questions are grouped according to the order in which they appear on the study guide.

**Links:** Quizbank/Instructions Study guide

*Contact me at* User talk:Guy vandegrift *if you need any help.*

### ALL A0

- a) 9.750E-15 N
- b) 1.072E-14 N
- c) 1.180E-14 N
- d) 1.298E-14 N
- e) 1.427E-14 N

- a) 4.091E+01 degrees
- b) 4.500E+01 degrees
- c) 4.950E+01 degrees
- d) 5.445E+01 degrees
- e) 5.990E+01 degrees

is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.9 m. Evaluate at x=0.83 m if a=0.7 m, b=1.8 m. The total charge on the rod is 9 nC.

- a) 6.897E+00 V/m
^{2} - b) 7.587E+00 V/m
^{2} - c) 8.345E+00 V/m
^{2} - d) 9.180E+00 V/m
^{2} - e) 1.010E+01 V/m
^{2}

- a) 2.013E+09 N/C
^{2} - b) 2.214E+09 N/C
^{2} - c) 2.435E+09 N/C
^{2} - d) 2.679E+09 N/C
^{2} - e) 2.947E+09 N/C
^{2}

5)

is an integral that calculates the magnitude of the electric field at a distance fromthe center of a thin circular disk as measured along a line normal to the plane of the disk. The disk's radius is and the surface charge density is . Evaluate at .

- a) 1.022E+00 V/m
^{2} - b) 1.125E+00 V/m
^{2} - c) 1.237E+00 V/m
^{2} - d) 1.361E+00 V/m
^{2} - e) 1.497E+00 V/m
^{2}

6) A large thin isolated square plate has an area of 4 m^{2}. It is uniformly charged with 9 nC of charge. What is the magnitude of the electric field 2 mm from the center of the plate's surface?

- a) 9.546E+01 N/C
- b) 1.050E+02 N/C
- c) 1.155E+02 N/C
- d) 1.271E+02 N/C
- e) 1.398E+02 N/C

7) What is the magnitude of the electric field at the origin if a 2.7 nC charge is placed at x = 9.1 m, and a 2.5 nC charge is placed at y = 5.9 m?

- a) 3.99 x 10
^{-1}N/C - b) 4.6 x 10
^{-1}N/C - c) 5.32 x 10
^{-1}N/C - d) 6.14 x 10
^{-1}N/C - e) 7.09 x 10
^{-1}N/C

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