Answer to Question #205956 in Field Theory for khashayar lashgari

Question #205956

2. A Positive electric charge Q is distributed uniformly throughout the volume of an insulating solid sphere with radius a (Figure 2). By using Gauss Law, find the magnitude of the electric field at a point P, a distance r from the center of the sphere where:

a) r๐‘Ÿ <a ๐‘Ž (10 points) 

b)r>a


1
Expert's answer
2021-06-11T14:15:59-0400

a)


E=kqra3E=k\frac{qr}{a^3}

b)


E=kqr2E=k\frac{q}{r^2}


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