Part A The figure (Figure 1) shows a thin rod of length L with total charge Q. Find an expression for the electric field strength on the axis of the rod at distance r from the center. Express your answer in terms of the variables L, Q,r, and appropriate constants. E = Part B Verify that your expression has the expected behavior if r> L. Express your answer in terms of variables Q, r and constants 7, ɛ0. E = Figure 1 of 1 Part C L Evaluate E at r = 3.6 cm if L = 5.0 cm and Q = 5.9 nC 64 Express your answer to two significant figures and include the appropriate units. ? E = Value N/C

Part A The figure (Figure 1) shows a thin rod of length L with total charge Q. Find an expression for the electric field strength on the axis of the rod at distance r from the center. Express your answer in terms of the variables L, Q,r, and appropriate constants. E = Part B Verify that your expression has the expected behavior if r> L. Express your answer in terms of variables Q, r and constants 7, ɛ0. E = Figure 1 of 1 Part C L Evaluate E at r = 3.6 cm if L = 5.0 cm and Q = 5.9 nC 64 Express your answer to two significant figures and include the appropriate units. ? E = Value N/C

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter5: Electric Charges And Fields

Section: Chapter Questions

Problem 52P: Suppose Earth and the Moon each carried a net negative charge Q . Approximate both bodies as point...

See similar textbooks

Similar questions

Consider a wire made of a good conductor with a length, L, radius, R, and a total charge of +Q. a. What assumptions can be made about area if the wire is very long? ? >> ? (Hint: recall surface area of a cylinder) b. Calculate the Electric Field at the surface of the conducting wire. Convert the final answer to units of “k”. Is this the same as the Electric Field of a point charge or a conducting sphere? Distance (r) Electric Field Strength (E) c. Calculate the Electric Flux at the surface of the wire. How does the Electric Flux of the wire compare the Electric Flux of the sphere? Why? d. Calculate the Electric Field strength at a distance, a (such that a > 0) away from the conducting wire. e. Calculate the Electric Flux at a distance, a (such that a > 0) How does the Electric Flux compare to the Electric Flux calculated in part c? f. What should be the Electric Field inside the wire?
Part A The lines show the equipotential contours in the plane of three point charges, Q1, Q2, and Q3. The values of the potentials are in kV as indicated for the +5, 0, and -5 kV contours. The positions of the charges are indicated by the dots. cm 1 Q₁. Volts 2 +5 Q3 The letters are on the equipotential contours. Q₂ # m
In Configuration 1 below, what is the magnitude of the predicted electric field at point b? Point b is 2.00 m from the +3.00 nC charge (this is also in your lab procedure). Pt. a Pt. b Pt. c +3 nC figure 1 a Your answer should: Be in the Correct SI Units of N/C Be rounded to 2 Decimal Places For this problem you can't enter a number in Scientific Notation (the program doesn't allow it). For example: 2.06 x 102 would be written as 206.00
A sold sphere 20 cm in radus carries 14 pC, dibuted unity throughout ts volume. Find the electric field strength 10 cm from the show's Express your answer using two significant figures AZ O B₁- Submit Part B Subm Bequent Find the field angh 20 cm from the spe Express your answer using two significant figures. Part C AL A Fedtd amergh ces to the s Express your newer using two signant ? At ? MN/C MN/C MN/C
Q1. Four conducting plates are separated in space as shown below (cross-section is shown, the sheets are coming in and out of the page). The cross-sectional area is A and it is much larger than the separation between the plates. Plate 1 and 3 are connected by a wire and similarly plate 2 and 4 are connected with a wire. Total charge Q is placed on plates 1 and 3; while total charge -Q is placed on the plates 2 and 4. Calculate the potential difference between the plates. Sheet 1 Sheet 2 a a Sheet 4 Sheet 3
Beview I Conatacts Part A Aplatypus foraging for prey can detect an electric feld as smal as0.002 N/C. To give an idea of sensitivity of the platypus's electric sense, how tar from a10 nC point charge does the feld have this magnitude? Express your answer with the appropriate units HẢ r- 167.4 FOILA What is the strength of the electric field at the position indicated by the dot in (Elgure 1)7 Express your answer in newtons per coulomb. E- 9.67• 10-3 N/C Submit Previous Answers Beauest Answer figure 1 of 1> X Incorrect; Try Again; 4 attempts remaining 1.0 nC Part B 5.0 cm What is the direction of the electric field at the position indicated by the dot in the figure? Specity the direction as an angle above the horizontal line Express your answer in degrees. 5.0 cm 5.0 cm -1.0 nC Pearson
The electric field strength at the surface of a flat negative electrode in 20° C salt water is 20 kV/m The field strength is 10 kV/m at a distance of 2.0 nm from the surface. Part A What is the electrode's surface charge density in nC/cm²? Express your answer in nanocoulombs per square centimeter. VAX 77- Submit Part B Bequest Answer co= ? What is the molarity of the salt solution? Assume the salt is NaCl Express your answer in terms of molarity. 195] ΑΣΦ nC/cm³ 2 M
a. Some discussions in the web refer electric field lines as“lines of force”. Discuss the advisability of thisdescription.b. Can an electric field exist in a region of space in whicha electric charge would not experience a force? Explain.
1. Consider the diagram below. a. A pair of insulated metal spheres, A and B, touch each other, so in etfect they form a single uncharged conductor. b. A positively charged rod is brought near A, but not touching, and electrons in the metal sphere are attracted toward the rod. Charges in the spheres have redistributed, and the negative charge is labeled. Draw the appropriate + signs that are repelled to the far side of B. c. Draw the signs of charge when the spheres are separated while the rod is still present, and
Determine the magnitude of the acceleration experienced by an electron in an electric field of 526 N/C. Express your answer to three significant figures and include the appropriate units. μA Value Submit Request Answer BE Units ?
What is the magnitude of the electric field at a point midway between a -5.9 uC and a +8.2 uC charge 8.8 cm apart? Assume no other charges are nearby. Express your answer using two significant figures: E= (what value) in (what units)? What is the direction of the electric field? Toward the positive charge Toward the negative charge P.S. I know nothing about this but I have a good idea are some quick google help. I feel like I understand the concept but I want to verify the work before I'm able to help a friend with this problem. It would be helpful if you can list all the steps- I can reverse engineer with no issues.
Gold has 79 electrons per atom and an atomic mass of 197 u. Part A What is the total charge of all the electrons in 3.1-kg bar of gold? Express your answer to two significant figures and include the appropriate units. µA ? Qtotal Value Units Submit Request Answer Part B What is the net charge of the bar? Express your answer with the appropriate units. HA ? Qnet = Value Units Submit Request Answer