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Hooke's Law
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Homework Statement
What is the electric field if r=a and r=b?
Reference:http://www.youtube.com/watch?v=BcuQ2c_WrMc"
2:11
And what if the net charge is just -Q on the conductor instead of -3Q? Will the electric field at r>b be 0?
Reference: Same video, 3:00-3:10
Homework Equations
Flux = E*A = q/ epsilon0
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