Five equal charges each of value q are placed at the corners of a regular pentagon of side a. The electric field at the centre of the pentagon is

Six charges +q each are placed at the corners of a regular hexagon of each side a. The electric field at the centre of the hexagon is

Five charges , q each are placed at the corners of a regular pentagon of side. (a) (i) What will be the electric field at 0, the centre of the pentagon? (ii) What will be the electric field at 0 if the charge from one of the corners (say A) is removed? (iii). What will be the electric field at 0 if the pentagon is replaced by n-sided regular polygon with charge q at each of its corner?

Five charges, q each are placed at the coreners of a regular pentagone of side. (a) (i) What will be the electric field at O, the centre of the pentagon ? (ii) What will be the electric field 0 if the charge from one of the corners (say A) is removed ? (iii) What will be the electric field at 0 if the charge q at A is replaced by -q ? (b) How would your answer to (a) be affected if pentagon is replaced by n-sided regular polygon with charge q at each of its coreners ?

Find the perimeter of a regular pentagon of side 8cm.

Five charges, q each are placed at the corners of a regular pentagon of side a. (i) What will be the electric field at O if the charge from one of the corners (say A) is removed ? (ii) What will be the electric field at O if the charge gat A is replaced by -q?

Find the perimeter of a regular pentagon of side 8 cm.

The perimeter of a regular pentagon of side 8 cm is