A Gaussian sphere with radius 1.20 m encloses a point charge Q1 = +2.25E-6 C at the spherical center. The electric flux through the spherical surface is measured to be Φ1. Another point charge Q2 = +1.46E-6 C is placed at the point 1.00 m from the spherical center, and another point charge Q3 = –4.47E-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 Φ2. What is Φ2/Φ1?
(PART A)
A Gaussian sphere with radius 1.20 m encloses a point charge Q1 = +2.25E-6 C at the spherical center. The electric flux through the spherical surface is measured to be Φ1. Another point charge Q2 = +1.46E-6 C is placed at the point 1.00 m from the spherical center, and another point charge Q3 = –4.47E-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 Φ2. What is Φ2/Φ1?
(PART B)
A Gaussian sphere with radius 1.20 m encloses a point charge Q1 = +5.27E-6 C at the spherical center. The electric flux through the spherical surface is measured to be Φ1. Now Q1 is removed, and another point charge Q2 = –9.88E-6 C is placed at the spherical center. The electric flux through the spherical surface is then measured to be Φ2. What is Φ2/Φ1?

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