A disk of radius a/4 having a uniformly distributed charge 6C is placed in the x-y...

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A disk of radius a/4 having a uniformly distributed charge 6C is placed in the x-y plane with its centre at (-a/2, 0, 0). A rod of length a carrying a uniformly distributed charge 8C is placed on the x-axis from x = a/4 to x = 5a/4. Two point charges -7C and 3C are placed at (a/4, -a/4, 0) and (-3a/4, 3a/4, 0), respectively. Consider a cubical surface formed by six surfaces x = a/2, y = a/2, z = a/2. The electric flux through this cubical surface is -2C (A) (C) Eo 10C &0 (B) (D) 2C 12C y X A disk of radius a/4 having a uniformly distributed charge 6C is placed in the x-y plane with its centre at (-a/2, 0, 0). A rod of length a carrying a uniformly distributed charge 8C is placed on the x-axis from x = a/4 to x = 5a/4. Two point charges -7C and 3C are placed at (a/4, -a/4, 0) and (-3a/4, 3a/4, 0), respectively. Consider a cubical surface formed by six surfaces x = a/2, y = a/2, z = a/2. The electric flux through this cubical surface is -2C (A) (C) Eo 10C &0 (B) (D) 2C 12C y X

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