Use the following figure to answer the question:
-A step-up transformer has a ratio of one to ten.Neglecting slight losses,if 100 W of power go into the primary coil,the power coming from the secondary coil is
A)1 W.
B)10 W.
C)100 W.
D)1000 W.
E)none of these

Question

Use the following figure to answer the question: 
-A step-up transformer has a ratio of one to ten.Neglecting slight losses,if 100 W of power go into the primary coil,the power coming from the secondary coil is
A)1 W. 
B)10 W. 
C)100 W. 
D)1000 W. 
E)none of these

Quizplus · Accepted Answer

In an ideal transformer, the power input to the primary coil equals the power output from the secondary coil, so the power remains 100 W.

Use the Following Figure to Answer the Question