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College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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
Transcribed Image Text:6. Two +5.0 nC point charges are placed on the x – axis as shown below.
y, cm
a) Calculate the individual electric fields
at point P2 due to i) q1 and ii) q2.
b) Calculate the magnitude of net electric
field at point P2 due to the two charges.[C
10 cm
3.
c) Calculate the direction of the net
9-5.0 nC
2= 5.0 nC
electric field you calculated in part (b)
above.
X, cm
3
4.
8
d) Calculate the potential at point P2 due to the two charges.
e) How much work must be done to move a neutral sphere from infinity to point P2?
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- 1. Point charges qı = 12µC and q2 = – 12µC are 0.08 m apart as shown in the Figure 1. a) Compute the electric fields caused by q, , ½ and the total field at point P on y-axis (E, E,, E, = ?). b) Compute the force exerted on a test charge of q = - 5µC placed at point P. y 10 cm 6 cm q2 91 8 cm Figure 1arrow_forward2. Two point charges are placed on XY plane such that +2C charge at the origin and -4C charge on the X axis at X= 4 m. Label electric field due to each charge on the y axis at y= -3 m with arrowheads as electric field due to +2C as E1 and electric field due to - 4C as E2. Label the direction of net electric field as E with another arrowhead.arrow_forwardQ7. Four point-charges are placed at the corners of a square, as shown in Figure 2. What is the magnitude of the net electric field at the center of the square? Take q = 1.0 µC and a = 2.0 cm. - q I -q ----> A) 1.3x108 N/C B) 6.4x10' N/C C) 2.5x108 N/C D) 1.8×108 N/C E) zero +q + ↑ a I I +qarrow_forward
- 6.arrow_forward1) Sketch the electric field lines on top of the figure above. Also sketch the electric field vector atpoint P. 2) Integrate to find the value of the electric field at point P.3) Find the force that would act on a 2.0 μC charge placed at point P.arrow_forwardQ3) Two point charges (Q = + 5.0 µC and Q2 = – 2.0 µ C) are held in place along the x-axis. Q, is at x1 = - 3.0 cm and Q, is at x2 = + 2.0 cm. a) Determine the electric field at (x, y) = (0,4.0 cm) in SI units. Represent your answer as a vector. Start with drawing a picture and setting up an appropriate coordinate system. b) Determine in what region along the x-axis it's possible for the electric field to be zero. There are three distinct regions: -o < x < x1, X1 < x < x2, and x2 < x < ∞ (this excludes x → ±∞ since the electric field is zero there). c) Now that you know in what region it's possible for the electric field to be zero, write out an expression you could solution to find exactly where this location is. Note: you DON'T have to solve it. d) Another charge (Q3 Newtons? Represent your answer as a vector. Hint: no need to apply Coulomb's law to Q3, you already know the electric field at this point. 4.0 µ C) is now placed at (x, y) = (0,4.0 cm). What is the net force on this…arrow_forward
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