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A cube of side b has a charge q at each of its vertices. Determine the potential and electric field due to this charge array at the centre of the cube.
Solution:
The length of diagonal of the cube of each side b is
E = 0, as electric field at centre due to a charge at any corner of cube is just equal and opposite to that of another charge at diagonally opposite corner of cube.
Check the complete chapter with solutions.
NCERT Solutions for 12th Class Physics: Chapter 2-Electrostatic Potential and Capacitance