E, dE 9 (0,0,z) Q=2ra . a ds Figure 4: 4. For a ring of radius a and uniform line density the electric field f at position (0,0,z) is given by Ez = Qz Xaz 3 4T€0 (a2+z2) 2 2e0 (a2+z2) 2 .015n C [see figure 4]. If a=10cm, A then (a) at z = 0, z = z = 2- and z = ∞ the electric field is given as Ez = 0, Ez = 2.51099 × 106 N/C,Ez = 4.61298 x 107 N/C, a = 2 V2 Ez = 1.63093 x 10 N/C and Ez = 0 respectively (True,False) (b) At z = V2 * the electric field is maximum (True,False) (c) The maximum force on a point charge q = 1µC is F = qE"max) = 46.1298N (True,False)

College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter15: Electric Forces And Electric Fields
Section: Chapter Questions
Problem 24P: (a) Find the magnitude and direction of the electric field at the position of the 2.00 C charge in...
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E,
dE
9 (0,0,z)
Q=2ra .
a
ds
Figure 4:
4. For a ring of radius a and uniform line density the electric field f at position (0,0,z) is given by Ez =
Qz
Xaz
3
4T€0 (a2+z2) 2
2e0 (a2+z2) 2
.015n C
[see figure 4]. If a=10cm, A
then
(a) at z = 0, z =
z = 2- and z = ∞ the electric field is given as Ez = 0, Ez = 2.51099 × 106 N/C,Ez
= 4.61298 x 107 N/C,
a
= 2
V2
Ez = 1.63093 x 10 N/C and Ez = 0 respectively (True,False)
(b) At z =
V2
* the electric field is maximum (True,False)
(c) The maximum force on a point charge q = 1µC is F = qE"max)
= 46.1298N (True,False)
Transcribed Image Text:E, dE 9 (0,0,z) Q=2ra . a ds Figure 4: 4. For a ring of radius a and uniform line density the electric field f at position (0,0,z) is given by Ez = Qz Xaz 3 4T€0 (a2+z2) 2 2e0 (a2+z2) 2 .015n C [see figure 4]. If a=10cm, A then (a) at z = 0, z = z = 2- and z = ∞ the electric field is given as Ez = 0, Ez = 2.51099 × 106 N/C,Ez = 4.61298 x 107 N/C, a = 2 V2 Ez = 1.63093 x 10 N/C and Ez = 0 respectively (True,False) (b) At z = V2 * the electric field is maximum (True,False) (c) The maximum force on a point charge q = 1µC is F = qE"max) = 46.1298N (True,False)
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