A cube of side b has a charge q at each of its vertices. The electric field due to this charge distribution at the centre of the cube is
A. \(\frac { q }{{b}^{ 2 }}\)
B. \(\frac { q }{{2b}^{ 2 }}\)
C. \(\frac { 32q }{{b}^{ 2 }}\)
D. zero
Answer:D
A cube of side b has a charge q at each of its vertices. The electric field due to this charge distribution at the centre of the cube is
A. \(\frac { q }{{b}^{ 2 }}\) B. \(\frac { q }{{2b}^{ 2 }}\) C. \(\frac { 32q }{{b}^{ 2 }}\) D. zero