1. It consists of two concentric spherical shellsof radii r1 = 9.5cm and r2 > r1. The capacitanceof the capacitor is given as 110 pF. 100 Vpotential difference between spherical shellsWhat is the surface charge density of thespherical shell with radius r2, C/m2? is it?2.A current of 1.67 A flows through a 70 cm longcopper wire with a radius of 0.51 mm. Copperfree electron density of the wire 8.5 x 1028electrons/m3 since an electron is a wire Howlong does it take to get from one end to theother? ( The charge of the electron is 1.6 x 10-19C)%3DNote: ɛ0 = 8.85 × 10^ -12 C^ 2%3D/Nm^2 ve u0 = 47t × 10^ -7 Tm/A

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1. It consists of two concentric spherical shells of radii r1 = 9.5cm and r2 > r1. The capacitance of the capacitor is given as 110 pF. 100 V potential difference between spherical shells What is the surface charge density of the spherical shell with radius r2, C/m2? is it?

1. It consists of two concentric spherical shells of radii r1 = 9.5cm and r2 > r1. The capacitance of the capacitor is given as 110 pF. 100 V potential difference between spherical shells What is the surface charge density of the spherical shell with radius r2, C/m2? is it?

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter26: Current And Resistance

Section: Chapter Questions

Problem 6P: Figure P26.6 represents a section of a conductor of nonuniform diameter carrying a current of I =...

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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

1. It consists of two concentric spherical shells
of radii r1 = 9.5cm and r2 > r1. The capacitance
of the capacitor is given as 110 pF. 100 V
potential difference between spherical shells
What is the surface charge density of the
spherical shell with radius r2, C/m2? is it?
2.A current of 1.67 A flows through a 70 cm long
copper wire with a radius of 0.51 mm. Copper
free electron density of the wire 8.5 x 1028
electrons/m3 since an electron is a wire How
long does it take to get from one end to the
other? ( The charge of the electron is 1.6 x 10
-19C)
%3D
Note: ɛ0 = 8.85 × 10^ -12 C^ 2
%3D
/Nm^2 ve u0 = 47t × 10^ -7 Tm/A

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