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Class 12 Physics Practice Test: Gauss's Law Applications
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Class 12 Physics Practice Test: Gauss's Law Applications
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7 Questions

1. Electric flux coming out of a single Na+ ion is _________ Nm2C-1
2. Two cylindrical pipes having radius 2m and 5m are placed coaxially. The inner cylinder has total charge 1C and the outer sphere has total charge 2C. What will be the nature of electric field intensities at different distances from the axis of the cylinders?
3. Gauss’s Law cannot be applied in ________
4. Gauss’s Law cannot be applied in a medium that has relative permittivity greater than 1. This statement is ________
5. If a 10C charge is placed in a medium having relative permittivity 5.4, what will be the amount of flux coming out of that charge?
6. A non-conducting cube of side length 1m has a spherical cavity of radius 0.1m inside it. The system has a charge density of 2.5 C/m3. What is the total flux coming out of the surface of the cube?
7. Net inward and outward flux of a closed surface are ∅1 and ∅2. What is the charge enclosed inside the surface?

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