A ring shaped conductor with a radius 3.00 cm has a uniform charge density of -120.0 nC/m and it lies on ahorizontal table top. Find the magnitude and direction of the electric field it produces at a point 4.50 cmdirectly above its center. (p = 8.85 x 10-12 c²/Nm2, k = 9.00 x 109 Nm²/C²)3.07 x 105 N/C, vertically downward3.07 x 105 N/C, vertically upward5.33 x 105 N/C, vertically downward1.00 x 105 N/C, vertically upward5.79 x 104 N/C, vertically downward5.79 x 104 N/C, vertically upward5.33 x 105 N/C, vertically upward1.00 x 105 N/C, vertically downward

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A ring shaped conductor with a radius 3.00 cm has a uniform charge density of -120.0 nC/m and it lies on a horizontal table top. Find the magnitude and direction of the electric field it produces at a point 4.50 cm directly above its center. (p = 8.85 x 10-12 c²/Nm², k = 9.00 x 109 Nm²/C²)

A ring shaped conductor with a radius 3.00 cm has a uniform charge density of -120.0 nC/m and it lies on a horizontal table top. Find the magnitude and direction of the electric field it produces at a point 4.50 cm directly above its center. (p = 8.85 x 10-12 c²/Nm², k = 9.00 x 109 Nm²/C²)

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 49PQ

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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

A ring shaped conductor with a radius 3.00 cm has a uniform charge density of -120.0 nC/m and it lies on a
horizontal table top. Find the magnitude and direction of the electric field it produces at a point 4.50 cm
directly above its center. (p = 8.85 x 10-12 c²/Nm2, k = 9.00 x 109 Nm²/C²)
3.07 x 105 N/C, vertically downward
3.07 x 105 N/C, vertically upward
5.33 x 105 N/C, vertically downward
1.00 x 105 N/C, vertically upward
5.79 x 104 N/C, vertically downward
5.79 x 104 N/C, vertically upward
5.33 x 105 N/C, vertically upward
1.00 x 105 N/C, vertically downward

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