A charge Q = -820 nC is uniformly distributed on a ring of 2.4 m radius. A point charge q =+530 nC is fixed at the center of the ring. Points A and B are located on the axis of the ring, as shown in the figure. What is the minimum work that an external force must do to transport an electron from B to A? (e=1.60 × 10-19 c, k = 1/47E0 = 8,99 × 109 N • m2/c2) A 1.8 m В 1.4 m 9 = +530 nC Q = -820 nC +1.0 x 10-16 , O -8.7 x 10 17 , O.7.2 x 10-18 , O +7.2 x 10-18 , O +8.7 x 10-17 ,

A charge Q = -820 nC is uniformly distributed on a ring of 2.4 m radius. A point charge q =+530 nC is fixed at the center of the ring. Points A and B are located on the axis of the ring, as shown in the figure. What is the minimum work that an external force must do to transport an electron from B to A? (e=1.60 × 10-19 c, k = 1/47E0 = 8,99 × 109 N • m2/c2) A 1.8 m В 1.4 m 9 = +530 nC Q = -820 nC +1.0 x 10-16 , O -8.7 x 10 17 , O.7.2 x 10-18 , O +7.2 x 10-18 , O +8.7 x 10-17 ,

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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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 charge Q = -820 nC is uniformly distributed on a ring of 2.4 m radius. A point charge q=+530 nC is fixed at the center of the ring. Points A and B are located on the axis of the ring, as
shown in the figure. What is the minimum work that an external force must do to transport an electron from B to A? (e= 1.60 × 10-19 c, k = 1/47ɛO = 8.99 x 109 N •m²/c²)
A
1.8 m
B
1.4 m
q = +530 nC
Q = -820 nC
O +1.0 × 10-16J
O -8.7 x 10-17 J
O -7.2 x 10-18 ,
O +7.2 x 10-18 ,
O +8.7 x 10-17
*Q24,

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