Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 21, Problem 13P
(a)
To determine
The field lines of the electric field.
(b)
To determine
The field lines at the much larger distance.
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A change of -84 μC is placed in a uniform electric field that is directed vertially upwards with a feild strength of 8.63×104 N/C . The charge moves 1.40 mm at an angle of 30∘∘ doward from the horizontal (as shown below).
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Chapter 21 Solutions
Physics for Scientists and Engineers
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- If the electric field is 100 N/C at a distance of 50 cm from a point charge q, what is the value of q?arrow_forwardTwo thin conducting plates, each 25.0 cm on a side, are situated parallel to one another and 5.0 mm apart. If electrons are moved from one plate to the other, what is the electric field between the plates?arrow_forwardWhat are the stable orientation(s) for a dipole in an external electric field? What happens if the dipole is slightly peltulbed from these orientations?arrow_forward
- From a distance of 10 cm, a proton is projected with a speed of v=4.0106 m/s directly at a large, positively charged plate whose charge density is =2.0105 C/m2. (See below.) (a) Does the proton reach the plate? (b) If not, how far from the plate does it turn around?arrow_forwardAn electron and a proton, each starting from rest, are accelerated by the same uniform electric field of 200 N/C. Determine the distance and time for each particle to acquire a kinetic energy of 3.21016 J.arrow_forwardSuppose a speck of dust in an electrostatic precipitator has 1.00001012 protons in it and has a net charge of 5.00 nC (a very large charge for a small speck). How many electrons does it have?arrow_forward
- Check Your Understanding What angle should there be between the electric field and the surface show in Figure 6.11 in the previous example so that no electric flux passes through the surface?arrow_forwardA proton enters the uniform electric field produced by the two charged plates shown below. The magnitude of the electric field is 4.0105 N/C, and the speed of the proton when it enters is 1.5107 m/s. What distance d has the proton been deflected downward when it leaves the plates ?arrow_forwardWhich of the following electric field lines are incorrect for point charges? Explain why.arrow_forward
- Shown below is a small sphere of mass 0.25 g that carries a charge of 9.01010 C. The sphere is attached to one end of a very thin silk string 5.0 cm long. The other end of the suing is attached to a large vertical conducting plate that has a charge density of 30106 C/m2. What is the angle that the string makes with the vertical?arrow_forwardCharge is distributed along the entire x-axis uniform density . How much work does the electric field of this charge distribution do on an electron that moves along the y-axis from y=a to y=b ?arrow_forwardSketch the electric field lines in the vicinity of two opposite charges, where the negative charge is three times greater in magnitude than the positive. (See Figure 1S.47 for a similar situation).arrow_forward
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