A transformer has 450 turns in its primary coil and 30 turns in itssecondary coil. Which one of the following statements concerningthis transformer is true?
A) This is a step-up transformer.
B) The turns ratio is 15 for this transformer.
C) The ratio of the voltages Vs / Vp is 15 for thistransformer.
D) The ratio of the currents Is / Ip is 0.067 for thistransformer.
E) The power delivered to the secondary must be the same as thatdelivered to the primary.