Phys 1022 Exam 1 03/10/26
Name: Two charges, labelled 1 and 2, and an empty
Three charges, labelled 1, 2, and 3 are location P are shown.
arranged as shown. Charge 1 is -1 nC, Charge 1 is -1 nC and charge
charge 2 is +2 nC, charge 3 is +3 nC. 2 is -2 nC
1) What is the direction of the force on charge 5) What is the electric
2? potential at P?
a) +y (Up) a) -12.0 V
b) -y (Down) b) -11.5 V
c) +x (Right) c) -10.6 V
d) -x (Left) d) -7.9 V
e) It Is Zero e) -6.5 V
2) What is the magnitude of 6) What is the direction of the electric field
the force on charge 3? at P?
a) 11813 N a) -x, +y quadrant (Up and Left)
b) 12750 N b) +x, +y quadrant (Up and Right)
c) 14250 N c) +x, -y quadrant (Down and Right)
d) 15188 N d) -x, -y quadrant (Down and Left)
e) 15375 N e) It Is Zero
3) What is the electric potential energy of the 7) Which of the following is true for the circuit
system? shown?
a) 18 mJ a) Resistors W and the source are in
b) 23 mJ parallel
c) 27 mJ b) Resistors W and X are in parallel
d) 32 mJ c) Resistors W and Y are in series
e) 36 mJ d) Resistors W and Y are in parallel
4) What is the equivalent resistance seen by e) None of these
the source? All resistors have a resistance
value of 8.0 Ω.
a) 3.2 Ω
b) 4.8 Ω
c) 8.0 Ω
d) 11 Ω
e) 13 Ω
δ
,Phys 1022 Exam 1 03/10/26
8) Four equipotential lines are shown inside
the dashed box. In which area of the box is
the electric field the strongest in
magnitude?
a) Top
b) Bottom
c) Left
d) Right
e) Cannot Be Determined
9) Four equipotential lines are shown inside
the dashed box. Which way does the
electric field point?
a) Up
b) Down
c) Left
d) Right
e) Cannot Be Determined
10) A -3 mC charge located at x = 3 cm, y = 3 cm
is in an electric field of magnitude 3 N/C
which is pointed in the +x direction. What is
the magnitude of the force on the charge?
a) 1.1E10 N
b) 1.5E10 N
c) 3.0E10 N
d) 4.5E7 N
e) 9.0E-3 N
δ
, Phys 1022 Exam 1 03/10/26
11) In the circuit shown below, all the resistors
have the same resistance value. In which
resistor is the current lowest?
a) Resistor W
b) Resistor Z
c) Resistors X and Y tied
d) Resistors Y and Z tied
e) It is equal in all four
12) In the circuit shown below, all the resistors
have the same resistance value. What is the
voltage across resistor W?
a) 3 V
b) 4 V
c) 6 V
d) 12 V
e) Cannot be determined
δ
Name: Two charges, labelled 1 and 2, and an empty
Three charges, labelled 1, 2, and 3 are location P are shown.
arranged as shown. Charge 1 is -1 nC, Charge 1 is -1 nC and charge
charge 2 is +2 nC, charge 3 is +3 nC. 2 is -2 nC
1) What is the direction of the force on charge 5) What is the electric
2? potential at P?
a) +y (Up) a) -12.0 V
b) -y (Down) b) -11.5 V
c) +x (Right) c) -10.6 V
d) -x (Left) d) -7.9 V
e) It Is Zero e) -6.5 V
2) What is the magnitude of 6) What is the direction of the electric field
the force on charge 3? at P?
a) 11813 N a) -x, +y quadrant (Up and Left)
b) 12750 N b) +x, +y quadrant (Up and Right)
c) 14250 N c) +x, -y quadrant (Down and Right)
d) 15188 N d) -x, -y quadrant (Down and Left)
e) 15375 N e) It Is Zero
3) What is the electric potential energy of the 7) Which of the following is true for the circuit
system? shown?
a) 18 mJ a) Resistors W and the source are in
b) 23 mJ parallel
c) 27 mJ b) Resistors W and X are in parallel
d) 32 mJ c) Resistors W and Y are in series
e) 36 mJ d) Resistors W and Y are in parallel
4) What is the equivalent resistance seen by e) None of these
the source? All resistors have a resistance
value of 8.0 Ω.
a) 3.2 Ω
b) 4.8 Ω
c) 8.0 Ω
d) 11 Ω
e) 13 Ω
δ
,Phys 1022 Exam 1 03/10/26
8) Four equipotential lines are shown inside
the dashed box. In which area of the box is
the electric field the strongest in
magnitude?
a) Top
b) Bottom
c) Left
d) Right
e) Cannot Be Determined
9) Four equipotential lines are shown inside
the dashed box. Which way does the
electric field point?
a) Up
b) Down
c) Left
d) Right
e) Cannot Be Determined
10) A -3 mC charge located at x = 3 cm, y = 3 cm
is in an electric field of magnitude 3 N/C
which is pointed in the +x direction. What is
the magnitude of the force on the charge?
a) 1.1E10 N
b) 1.5E10 N
c) 3.0E10 N
d) 4.5E7 N
e) 9.0E-3 N
δ
, Phys 1022 Exam 1 03/10/26
11) In the circuit shown below, all the resistors
have the same resistance value. In which
resistor is the current lowest?
a) Resistor W
b) Resistor Z
c) Resistors X and Y tied
d) Resistors Y and Z tied
e) It is equal in all four
12) In the circuit shown below, all the resistors
have the same resistance value. What is the
voltage across resistor W?
a) 3 V
b) 4 V
c) 6 V
d) 12 V
e) Cannot be determined
δ
