A disk of radius r= 70 cm has a uniform surface charge density o = 68.3 nC. Calculate the electric field ( in units of kN/C) at point P that lies along the central perpendicular axis of the disk and a distance 30 cm from the center of

A disk of radius r= 70 cm has a uniform surface charge density o = 68.3 nC. Calculate the electric field ( in units of kN/C) at point P that lies along the central perpendicular axis of the disk and a distance 30 cm from the center of

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter6: Gauss's Law

Section: Chapter Questions

Problem 58P: Consider a uranium nucleus to be sphere of radius R=7.41015 m with a charge of 92e distributed...

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

A disk of radius r= 70 cm has a
uniform surface charge density o
= 68.3 nC. Calculate the electric
field ( in units of kN/C) at point P
that lies along the central
perpendicular axis of the disk and a
distance 30 cm from the center of
the disk. use ke = 9x10° N• m²/c?
Select one:
O A. 4.68
В. 2.34
O C. 5.07
O D. 1.17
O E. 1.52

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