Recent content by milkman9000

[b]1. A 60.0 -cm-long hollow nichrome tube of inner diameter 1.10 mm, outer diameter 4.20 mm is connected to a 3.00 V battery. What is the current in the tube? Homework Equations Resistivity for nichrome = 1.5*10^-6 ohm meters I=V/R E=V/L The Attempt at a Solution

[b]1. The electron beam inside a television picture tube is 0.300 mm in diameter and carries a current of 52.0 mu A . This electron beam impinges on the inside of the picture tube screen. a)How many electrons strike the screen each second? b)What is the current density in the electron...