A disk of radius r= 70 cm has a uniform surface charge density o= 62.1 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 k, = 9×109 N-m2/c? Select one: OA. 1.06 OB. 2.13 OC 1.38 OD. 4.61 OE4.25

A disk of radius r= 70 cm has a uniform surface charge density o= 62.1 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 k, = 9×109 N-m2/c? Select one: OA. 1.06 OB. 2.13 OC 1.38 OD. 4.61 OE4.25

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter25: Gauss’s Law

Section: Chapter Questions

Problem 48PQ

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