SSM ILW WWW In Fig. 22-54, a nonconducting rod of length L = 8.15 cm has a charge − q = −4.23 fC uniformly distributed along its length. (a) What is the linear charge density of the rod? What are the (b) magnitude and (c) direction (relative to the positive direction of the x axis) of the electric field produced at point P. at distance a = 12.0 cm from the rod? What is the electric field magnitude produced at distance a = 50 m by (d) the rod and (e) a particle of charge − q = −4.23 fC that we use to replace the rod? (At that distance, the rod “looks” like a particle.)
SSM ILW WWW In Fig. 22-54, a nonconducting rod of length L = 8.15 cm has a charge − q = −4.23 fC uniformly distributed along its length. (a) What is the linear charge density of the rod? What are the (b) magnitude and (c) direction (relative to the positive direction of the x axis) of the electric field produced at point P. at distance a = 12.0 cm from the rod? What is the electric field magnitude produced at distance a = 50 m by (d) the rod and (e) a particle of charge − q = −4.23 fC that we use to replace the rod? (At that distance, the rod “looks” like a particle.)
SSM ILW WWW In Fig. 22-54, a nonconducting rod of length L = 8.15 cm has a charge −q = −4.23 fC uniformly distributed along its length. (a) What is the linear charge density of the rod? What are the (b) magnitude and (c) direction (relative to the positive direction of the x axis) of the electric field produced at point P. at distance a = 12.0 cm from the rod? What is the electric field magnitude produced at distance a = 50 m by (d) the rod and (e) a particle of charge −q = −4.23 fC that we use to replace the rod? (At that distance, the rod “looks” like a particle.)
Figure 22-53 Problem 30.
*31 SSM ILW www In Fig. 22-54,
a nonconducting rod of length L =
8.15 cm has a charge -q = -4.23 fC
uniformly distributed along its length.
(a) What is the linear charge density
of the rod? What are the (b) magni-
tude and (c) direction (relative to
the positive direction of the x axis)
of the electric field produced at
point P, at distance a = 12.0 cm from the rod? What is the electric
field magnitude produced at distance a =50 m by (d) the rod and
(e) a particle of charge -q = -4.23 fC that we use to replace the
rod? (At that distance, the rod
"looks" like a particle.)
-4
-x-
Figure 22-54 Problem 31.
In Fig. 22-50, positive
charge q = 7.81 pC is spread uni-
formly along a thin nonconducting
rod of length L= 14.5 cm. What
are the (a) magnitude and (b) di-
rection (relative to the positive di-
rection of the x axis) of the electric
field produced at point P, at dis-
32
GO
P
R
+ +
+ +
tance R = 6.00 cm from the rod
I
along its perpendicular bisector?
Charge is uniformly distributed around a ring of radius R = 2.40 cm, and the resulting electric field magnitude E is measured along the ring’s central axis (perpendicular to the plane of the ring). At what distance from the ring’s center is E maximum?
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