(li \i'i 1:1; vn 



THE KK<;ri.ATIO\ OF TRANSFORMERS 



3100 primary turns ami 1 -J I 

 secondary tin " ratioof tra: 'i-n " is (^ = 



re of 5000 volts be appli -l at the terminals of 

 tin- primary uimliiiLf. and if the s< ,: is on open 



in circuit hut un: then 



tin- piv-vir.v at the terminals of ti lary winding will IM- 



/6000 ^ 



-j '200 volts. If the secondary circuit he closed through 



an in :irr-nt will ll tli.- secondary \\ind- 



>cc,.ndary circuit and the pressure at the 



rcase below 200 volts i.-xeept in 



tin- unusual rasr that th- ciirn-nt llo\\in^ into the external 

 sccoi lii , which the 



8CCO! v th- valu. mi- 



illation" 



d in (jiiestion. h the i has 



1, therein la 



be(' 2( -X 100=) 2,0 per cent 



fttei ill- and tin- 



the external 

 If, v. load and p 



r is, sa}', 



I .lly int. n that \\ln-n the 



i to a H'in-in<L 



,;il |irrvu:. 

 be gr < 



