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Chapter 13: Q6Q (page 513)

We found that the force exerted on a distant charged objectby a dipole is given byFonQbydipole≈Q(14πε02qsr3) . In this equation, what is the meaning of the symbols q, Q, s, and r?

Short Answer

Expert verified

q: is the magnitude of the charge that form the dipole,Q: is the charged object, s: the distance between(+q&−q) that forms the dipole, r: the distance between the charged object and the centre of the dipole.

Step by step solution

01

Identification of the given data

The given equation is,

FonQbydipole≈Q(14πε02qsr3)

02

Determination of the symbols

q: is the magnitude of the charge that form the dipole. (Source of the field)

Q: is the charged object or the charge that will be affected by the filed.

S: the distance between (+q & −q)that forms the dipole.

r: the distance between the charged object and the centre of the dipole.

03

Result

q: is the magnitude of the charge that form the dipole,Q: is the charged object, s: the distance between(+q&−q) that forms the dipole, r: the distance between the charged object and the centre of the dipole.

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Most popular questions from this chapter

In Figure 13.66 a proton at location A makes an electric field E→1at location B. A different proton, placed at location B, experiences a force F→1. Now the proton at B is removed and replaced by a lithium nucleus, containing three protons and four neutrons. (a) Now what is the value of the electric field at location B due to the proton? (b) What is the force on the lithium nucleus? (c) The lithium nucleus is removed, and an electron is placed at location B. Now what is the value of the electric field at location B due to the proton? (d) What is the magnitude of the force on the electron? (e) Which arrow in Figure 13.65 best indicates the direction of the force on the electron due to the electric field?

Two dipoles are oriented as shown in Figure 13.72. Each dipole consists of two charges +qand -q, held apart by a rod of length s, and the center of each dipole is a distance dfrom location A. If=2nC, s=1mmand d=8cm, what is the electric field at location A? (Hint: Draw a diagram and show the direction of each dipole’s contribution to the electric field on the diagram.)

You want to create an electric field ⟨0, 4104, 0⟩ N/Cat location ⟨0, 0, 0⟩.

(a) Where would you place a proton to produce this field at the origin?

(b) Instead of a proton, where would you place an electron to produce this field at the origin?

A particle with charge +1nC (a nanocoulomb is 1X10-9C) is located at the origin. What is the electric field due to this particle at a location <0.1,0,0>m?

A dipole is located at the origin and is composed of charged particles with charge+eand-e, separated by a distance 2×10-10malong the x axis. Calculate the magnitude of electric field due to this dipole at a location(0,3×10-8,0)m.
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