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4. a- A Gaussian sphere with radius 1.20 m encloses a point charge Q1 = 2.20×10–6...

4. a- A Gaussian sphere with radius 1.20 m encloses a point charge Q1 = 2.20×10–6 C at the spherical center. The electric flux through the spherical surface is measured to be 1. Now Q1 is removed, and another point charge Q2 = –8.80×10–6 C is placed at the spherical center. The electric flux through the spherical surface is then measured to be 2. What is 2/1?

b- A Gaussian sphere with radius 1.20 m encloses a point charge Q1 = 2.20×10–6 C at the spherical center. The electric flux through the spherical surface is measured to be 1. Another point charge Q2 = 4.40×10–6 C is placed at the point 1.00 m from the spherical center, and another point charge Q3 = –4.40×10–6 C is placed at the point 1.50 m from the spherical center. Q1 remains at the spherical center. The electric flux through the spherical surface is then measured to be 2. What is 2/1?

 is PHI

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