A cube has ___ vertices.
A vertex is a corner where two sides of a solid meet. A cube has 8 vertices.
Which of the following statements are true ? (i) All cubes are cuboids. (ii) All cuboids are cubes. (iii) A cube has 6 faces, 8 vertices and 12 edges. (iv) A cube has 8 faces, 12 vertices and 6 edges.
A cube of side 'b' has charge 'q' at each of its vertices. The electric field at the centre of the cube will be