A uniform wire of resistance R is shaped into a regular in sided polygon where n is even. Find the equivalent resistance between (i) opposite corners of polygon (ii) adjacent corners of polygon .

A uniform wire of resistance R is slaped into a regular n-sided polygon (n is seven). The equivalent resistance between any two corners can have :

A uniform wire of resistance R is shaped into a regular n- sided polygon ( n is even), The equivalent resistance between any two corners can have. (i) the maximum value (R )/(4) (ii) the minimum value ( R)/(n) (iii) the minimum value R((n -1)/(n^2)) (iv) the minimum value (R )/(n) .

In the network shown, each resistance is equal to R . The equivalent resistance between diagonally opposite corners is

Four wires of equal length and of resistance 5ohm each are connected in the form of a square. The equivalent resistance between the diagonally opposite corners of the square is

A circle of radius r is inscribed in a regular polygon with n sides (the circle touches all sides of the polygon). If the perimeter of the polygon is p, then the area of the polygon is

If theta is the internal angle of n sided regular polygon,then sin theta is equal to:

If r is the radius of inscribed circle of a regular polygon of n-sides ,then r is equal to

Six wires each of resistance r form a tetrahedron. The equivalent resistance between corners 1-2 and 1-3 are respectively