If R is the resistance of secondary winding of an electrical transformer and K is the transformation ratio then the equivalent secondary resistance referred to primary will be _________

If R is the resistance of secondary winding of an electrical transform

1.	If R is the resistance of secondary winding of an electrical transformer and K is the transformation ratio then the equivalent secondary resistance referred to primary will be _________
A.	R/VK
B.	R/K<sup>2</sup>
C.	R<sup>2</sup>/K<sup>2</sup>
D.	R<sup>2</sup>/K
Answer» C. R<sup>2</sup>/K<sup>2</sup>