4. A point mass m with positive charge q issuspended from the ceiling by a thread.Nearby, a charged object causes the pointcharge q to deflect from the vertical. Our taskwill be to find the angle of deflection invarious cases. (Refer to Table at right.)c) Finally, suppose that the nearby object is along positively charged line, with uniformlinear charge density , located a horizontaldistance D away.a) First suppose that the nearby object is anotherpositive point charge Q, located a horizontaldistance D away.Dfixed line charge(perpendicular to plane of page)m, qFind the angle of deflection 0. *Electric fields created by variouscharged objectsfixed point chargem, qFind the angle of deflection 0.Shape of Strength of E-chargedobjectfield greatedby objectNoteb) Next suppose that the nearby object is a largepositively charged sheet, with uniform surfacecharge density o, located a perpendiculardistance D away.“r" refers todistance fromthe pointcharge.PointE(r) =charge QInfinitestraightline of"r" refers toDcharge,uniformlinearchargedensity Aperpendiculardistance fromthe linecharge.E(r) =-2TE,rm, quniformlycharged sheetFind the angle of deflection 0.E-fieldstrength isindependentof distancefrom thesheet and thedirectionpoints awayfrom thesheet.Infiniteflat sheetof charge,uniformsurfaceE(r) =280chargedensity o

SOlution: Given that a point charge q with mass m is suspeneded from the cieling. find the angle of…

4. A point mass m with positive charge q is suspended from the ceiling by a thread. Nearby, a charged object causes the point charge q to deflect from the vertical. Our task will be to find the angle of deflection in various cases. (Refer to Table at right.)

4. A point mass m with positive charge q is suspended from the ceiling by a thread. Nearby, a charged object causes the point charge q to deflect from the vertical. Our task will be to find the angle of deflection in various cases. (Refer to Table at right.)

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Electric Charges and Fields

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Question

4. A point mass m with positive charge q is
suspended from the ceiling by a thread.
Nearby, a charged object causes the point
charge q to deflect from the vertical. Our task
will be to find the angle of deflection in
various cases. (Refer to Table at right.)
c) Finally, suppose that the nearby object is a
long positively charged line, with uniform
linear charge density , located a horizontal
distance D away.
a) First suppose that the nearby object is another
positive point charge Q, located a horizontal
distance D away.
D
fixed line charge
(perpendicular to plane of page)
m, q
Find the angle of deflection 0. *
Electric fields created by various
charged objects
fixed point charge
m, q
Find the angle of deflection 0.
Shape of Strength of E-
charged
object
field greated
by object
Note
b) Next suppose that the nearby object is a large
positively charged sheet, with uniform surface
charge density o, located a perpendicular
distance D away.
“r" refers to
distance from
the point
charge.
Point
E(r) =
charge Q
Infinite
straight
line of
"r" refers to
D
charge,
uniform
linear
charge
density A
perpendicular
distance from
the line
charge.
E(r) =-
2TE,r
m, q
uniformly
charged sheet
Find the angle of deflection 0.
E-field
strength is
independent
of distance
from the
sheet and the
direction
points away
from the
sheet.
Infinite
flat sheet
of charge,
uniform
surface
E(r) =
280
charge
density o

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