The figure below is a section of a conducting rod of radius R 1 = 1.42 mm and le

Question

The figure below is a section of a conducting rod of radiusR1 = 1.42 mm and length L = 13.30 minside a thin-walled coaxial conducting cylindrical shell of radiusR2 = 12.1R1 and the (same)length L. The net charge on the rod isQ1 = +3.72 × 10-12 C; that onthe shell is Q2 = -2.07Q1.What are the (a) magnitude E and(b) direction (radially inward (type 1) or outward(type 0)) of the electric field at radial distance r =2.14R2? What are (c)Eand (d) the direction (1 for inward, 0 foroutward) at r = 5.33R1? What is thecharge on the (e) interior and(f) exterior surface of the shell?

Give electric fields in N/C and charges in Coulombs.

This is thenumbers used in the original question from the book

(a)

Number

Units

(b)

(c)

Number

Units

(d)

(e)

Number

Units

(f)

Number

Units

(a)

Number

Units

N/C or V/m

Explanation / Answer

Yeah... I'm looking at the book right now, and the problem inthe book has different numbers than those in the problem you'vestated. In the book: .    R1 = 1.30mm       L = 11.00 m        R2 = 10.0R1 = 13.0 mm .    Q1 = +3.40 x 10-12C         Q2 =-2.00 Q1 = -6.80 x 10-12 C .      r = 2.00 R2 =   26.0mm .      That's where the    26x 10-3 m   came from... the numbers in thebook.

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