Q3) (15P) Assume that a very long conducting copper tube with an inner radius a=2 (cm) and outer radius b=3 (cm) surrounds a line charge of 30 (pC/m) at its axis in air. Find E at a) r=1(m) > b, b) a < r=2,5 cm < b c) r=1,5 cm < a
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a = 2 cm = 0.02 m b = 3 cm = 0.03 m Linear charge density, $\lambda = 30 \ pC/m = 30 \times 10^{-12} \ C/m$ Show more…
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2-) A very long copper tube with an outer radius of 3cm and an inner radius of 2cm surrounds a line load of 60 (pC / m) on its axis. a- r = 1m, 2.5 cm and 1.5cm, what is the electric field E? b- Give the potential difference between inner and outer tube surfaces?
Madhur L.
A very long conducting tube (hollow cylinder) has inner radius a and outer radius $b$. It carries charge per unit length $+a$, where $a$ is a positive constant with units of C/m. A line of charge lies along the axis of the tube. The line of charge has charge per unit length $+a$. (a) Calculate the electric field in terms of a and the distance r from the axis of the tube for (i) $r < a; (ii) a < r < b; (iii) r > b$. Show your results in a graph of $E$ as a function of $r$. (b) What is the charge per unit length on (i) the inner surface of the tube and (ii) the outer surface of the tube?
A very long copper tube with an outer radius of 3 centimeters and an inner radius of 2 centimeters surrounds a line load of 60 pC / M on its axis. Find the following? A) E for r = 3 cm 2.5 cm and 1.5 cm. and B) potential difference between inner and outer tube surfaces
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