Ten identical charges of 500µc are placed on the periphery of a circle of radius 2m. Spacing between any two charge is same. A charge of –20µc is placed on the axis, 2m from the centre of the circle, magnitude of force on this charge is (a) 65.2N (b) 72.3N (c) 69.5N (d) 79.5

Ten identical charges of 500µc are placed on the periphery of a circle of radius 2m. Spacing between any two charge is same. A charge of –20µc is placed on the axis, 2m from the centre of the circle, magnitude of force on this charge is (a) 65.2N (b) 72.3N (c) 69.5N (d) 79.5

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter5: Electric Charges And Fields

Section: Chapter Questions

Problem 47P: How many coulombs of positive charge are there in 4.00 kg of plutonium given its atomic mass is 244...

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Concept explainers

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

Ten identical charges of 500µc are placed on the periphery of a circle of radius 2m. Spacing between any
two charge is same. A charge of –20µc is placed on the axis, 2m from the centre of the circle, magnitude
of force on this charge is
(a) 65.2N
(b) 72.3N
(c) 69.5N
(d) 79.5

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