Hello everyone could some one please help me on this question i have been given. I have only just started this course and i am stuck " A transformer with a secondrary voltage of 300v and a primary current of 15A and primary windings of 1000 turns has a ratio of 1:5 calculate the missing values? Could you also tell me how to work these type of Questions out as i have about 10 of these questions. Thankyou Caff.