Navigation » List of Schools » East Los Angeles College » Physics » Physics 07 – General Physics 2 » Fall 2020 » Quiz 1 (A)
Below are the questions for the exam with the choices of answers:
Question #1
A 8.13 × 108 N·m2/C
B 1.03 × 106 N·m2/C
C 2.58 × 105 N·m2/C
D 1.72 × 105 N·m2/C
E 1.35 × 108 N·m2/C
Question #2
A 4.5 × 107 N to the right
B 2.5 × 106 N to the left
C 2.5 × 106 N to the right
D 1.1 × 106 N to the left
E 1.1 × 106 N to the right
Question #3
A have 1/2000 the charge of electrons.
B can have any amount of charge.
C have 2000 times the charge of electrons.
D are about 2000 times less massive than electrons.
E are about 2000 times more massive than electrons.
Question #4
A There are more positive charges near the top and bottom of the sphere compared to the sides next to the two other spheres.
B There are more positive charges near the sides of the sphere that are next to the other two spheres compared to the other regions of the sphere.
C None of these is correct.
D The positive charges stay uniformly distributed on the surface of the middle sphere.
E There are more positive charges near the front and back of the sphere compared to the sides next to the two other spheres.
Question #5
A Its position depends on the size of the charges.
B It cannot be on the line joining the charges.
C None of these is correct.
D It must be on the line joining the charges and between the charges.
E It must be on the line joining the charges but not between the charges.
Question #6
A the mass of the particle
B the inverse-square law
C permeability
D the charge on the particle
E permittivity
Question #7
A 1.02 μN.
B 1.13 mN.
C 3.11 mN.
D 0.373 mN.
E 1.25 mN.
Question #8
A The number of lines leaving a positive charge or entering a negative charge is proportional to the charge.
B The lines begin on positive charges and end on negative charges.
C The direction of each line indicates the direction that a positively charged particle would move if placed at that point in the electric field.
D The density of the lines (the number per unit area perpendicular to the lines) is proportional to the magnitude of the field at that point.
E Electric field lines cross midway between charges that have equal magnitude and sign.
Question #9
A depends only on the total charge on the conductor.
B depends on the area and curvature of the conductor and on its charge.
C depends only on the area of the conductor.
D is parallel to the surface.
E depends only on the curvature of the surface.
Question #10
A zero because the speed is zero.
B perpendicular to E.
C in the same direction as E.
D None of these is correct.
E in the direction opposite to E.
Question #11
A equal to
B None of these answers is correct.
C negligible compared to
D 2000 times greater than
E 2000 times less than
Question #12
A All of these statements are true.
B The number of lines leaving a positive charge or entering a negative charge is proportional to the charge.
C The lines are drawn symmetrically entering or leaving an isolated charge.
D At large distances from a system of charges, the field lines are equally spaced and radial, as if they came from a single point charge equal to the net charge of the system.
E Electric field lines begin on positive charges (or at infinity) and end on negative charges (or at infinity).
Question #13
A Both have the same charge.
B Neither is charged.
C At least one sphere is charged.
D They are oppositely charged.
E Both are charged.
Question #14
A repel each other.
B attract each other.
C exert no forces on each other.
D None of these is correct.
E also have the same magnitude.
Question #15
A None of these answers is correct.
B charge is quantized but not conserved.
C charge is quantized and conserved.
D charge is neither quantized nor conserved.
E charge is conserved but not quantized.
Question #16
A there is not enough information to say anything specific about the charges.
B the charges are not necessarily equal in magnitude but have opposite signs.
C the charges are equal in magnitude but opposite in sign.
D the charges are not necessarily equal in magnitude but have the same sign.
E the charges are equal in magnitude and have the same sign.
Question #17
A a constant velocity in a direction opposite to that of the field.
B an approximately constant acceleration in a direction opposite to that of the field.
C an approximately constant acceleration in a direction at right angles to the field.
D an approximately constant acceleration in the direction of the field.
E a constant velocity in the direction of the field.