|Sep27-10, 05:43 PM||#1|
Electric Field outside a Coaxial Cable
1. The problem statement, all variables and given/known data
Consider an 8mm diameter coaxial cable, which consists of a central conducting wire, and an outer cylindrical conducting braid. If a charge of +30mC is placed on the inner conductor, and a charge of -30mC is placed on the outer conducting braid, what will the electric field, in N/C, be 4cm from the center of the cable?
2. Relevant equations
3. The attempt at a solution
I'm thinking it would be 0 but I don't know how to go about showing this.
|Sep27-10, 06:46 PM||#2|
Please show how you reached this conclusion.
|Sep28-10, 10:07 AM||#3|
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