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Identical point charges Q are placed at each of the four corners of a 3.0 m *4.0 m rectangle.If Q = 40 μ\mu C, what is the magnitude of the electrostatic force on any one of the charges?


A) 3.0 N
B) 2.4 N
C) 1.8 N
D) 3.7 N
E) 2.0 N

F) B) and C)
G) B) and E)

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The symbol appears in Coulomb's law because we use independently defined units for: The symbol appears in Coulomb's law because we use independently defined units for: A) force and distance. B) charge and distance. C) distance and force. D) force, distance and electric charge. E) charge.


A) force and distance.
B) charge and distance.
C) distance and force.
D) force, distance and electric charge.
E) charge.

F) A) and E)
G) C) and D)

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Two charged particles, Q1 and Q2, are a distance r apart with Q2 = 5Q1.Compare the forces they exert on one another when is the force Q2 exerts on Q1 and is the force Q1 exerts on Q2. Two charged particles, Q1 and Q2, are a distance r apart with Q2 = 5Q1.Compare the forces they exert on one another when is the force Q2 exerts on Q1 and is the force Q1 exerts on Q2. A) = 5. B) = -5. C) = D) = -. E) 5 = Two charged particles, Q1 and Q2, are a distance r apart with Q2 = 5Q1.Compare the forces they exert on one another when is the force Q2 exerts on Q1 and is the force Q1 exerts on Q2. A) = 5. B) = -5. C) = D) = -. E) 5 =


A) = 5. Two charged particles, Q1 and Q2, are a distance r apart with Q2 = 5Q1.Compare the forces they exert on one another when is the force Q2 exerts on Q1 and is the force Q1 exerts on Q2. A) = 5. B) = -5. C) = D) = -. E) 5 = Two charged particles, Q1 and Q2, are a distance r apart with Q2 = 5Q1.Compare the forces they exert on one another when is the force Q2 exerts on Q1 and is the force Q1 exerts on Q2. A) = 5. B) = -5. C) = D) = -. E) 5 =
B) = -5. Two charged particles, Q1 and Q2, are a distance r apart with Q2 = 5Q1.Compare the forces they exert on one another when is the force Q2 exerts on Q1 and is the force Q1 exerts on Q2. A) = 5. B) = -5. C) = D) = -. E) 5 = Two charged particles, Q1 and Q2, are a distance r apart with Q2 = 5Q1.Compare the forces they exert on one another when is the force Q2 exerts on Q1 and is the force Q1 exerts on Q2. A) = 5. B) = -5. C) = D) = -. E) 5 =
C) = Two charged particles, Q1 and Q2, are a distance r apart with Q2 = 5Q1.Compare the forces they exert on one another when is the force Q2 exerts on Q1 and is the force Q1 exerts on Q2. A) = 5. B) = -5. C) = D) = -. E) 5 = Two charged particles, Q1 and Q2, are a distance r apart with Q2 = 5Q1.Compare the forces they exert on one another when is the force Q2 exerts on Q1 and is the force Q1 exerts on Q2. A) = 5. B) = -5. C) = D) = -. E) 5 =
D) = -. Two charged particles, Q1 and Q2, are a distance r apart with Q2 = 5Q1.Compare the forces they exert on one another when is the force Q2 exerts on Q1 and is the force Q1 exerts on Q2. A) = 5. B) = -5. C) = D) = -. E) 5 = Two charged particles, Q1 and Q2, are a distance r apart with Q2 = 5Q1.Compare the forces they exert on one another when is the force Q2 exerts on Q1 and is the force Q1 exerts on Q2. A) = 5. B) = -5. C) = D) = -. E) 5 =
E) 5 = Two charged particles, Q1 and Q2, are a distance r apart with Q2 = 5Q1.Compare the forces they exert on one another when is the force Q2 exerts on Q1 and is the force Q1 exerts on Q2. A) = 5. B) = -5. C) = D) = -. E) 5 = Two charged particles, Q1 and Q2, are a distance r apart with Q2 = 5Q1.Compare the forces they exert on one another when is the force Q2 exerts on Q1 and is the force Q1 exerts on Q2. A) = 5. B) = -5. C) = D) = -. E) 5 =

F) A) and D)
G) A) and C)

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A positively charged particle is moving in the +y-direction when it enters a region with a uniform electric field pointing in the +x-direction.Which of the diagrams below shows its path while it is in the region where the electric field exists.The region with the field is the region between the plates bounding each figure.The field lines always point to the right.The x-direction is to the right; the y-direction is up.


A) A positively charged particle is moving in the +y-direction when it enters a region with a uniform electric field pointing in the +x-direction.Which of the diagrams below shows its path while it is in the region where the electric field exists.The region with the field is the region between the plates bounding each figure.The field lines always point to the right.The x-direction is to the right; the y-direction is up. A) B) C) D) E)
B) A positively charged particle is moving in the +y-direction when it enters a region with a uniform electric field pointing in the +x-direction.Which of the diagrams below shows its path while it is in the region where the electric field exists.The region with the field is the region between the plates bounding each figure.The field lines always point to the right.The x-direction is to the right; the y-direction is up. A) B) C) D) E)
C) A positively charged particle is moving in the +y-direction when it enters a region with a uniform electric field pointing in the +x-direction.Which of the diagrams below shows its path while it is in the region where the electric field exists.The region with the field is the region between the plates bounding each figure.The field lines always point to the right.The x-direction is to the right; the y-direction is up. A) B) C) D) E)
D) A positively charged particle is moving in the +y-direction when it enters a region with a uniform electric field pointing in the +x-direction.Which of the diagrams below shows its path while it is in the region where the electric field exists.The region with the field is the region between the plates bounding each figure.The field lines always point to the right.The x-direction is to the right; the y-direction is up. A) B) C) D) E)
E) A positively charged particle is moving in the +y-direction when it enters a region with a uniform electric field pointing in the +x-direction.Which of the diagrams below shows its path while it is in the region where the electric field exists.The region with the field is the region between the plates bounding each figure.The field lines always point to the right.The x-direction is to the right; the y-direction is up. A) B) C) D) E)

F) B) and D)
G) None of the above

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A +2.0-nC point charge is placed at one corner of a square (1.5 m on a side) , and a -3.0-nC charge is placed on a corner diagonally away from the first charge.What is the magnitude of the electric field at either of the two unoccupied corners?


A) 20 N/C
B) 14 N/C
C) 4.0 N/C
D) 12 N/C
E) 8.0 N/C

F) All of the above
G) A) and D)

Correct Answer

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A point charge Q is placed on the x axis at x = -2.0 m.A second point charge, -Q, is placed at x = 1.0 m.If Q = 60 μ\mu C, what is the magnitude of the electrostatic force on a 40- μ\mu C charge placed at the origin?


A) 16 N
B) 27 N
C) 32 N
D) 11 N
E) 3.0 N

F) D) and E)
G) All of the above

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