Author Question: A current of 4 A exist in the primary coil of a transformer powered with 110 V. What is the power ... (Read 66 times)

KWilfred · **on:** Jul 29, 2018

A current of 4 A exist in the primary coil of a transformer powered with 110 V. What is the power output of the secondary coil?

A) 27.5 W
B) 110 W
C) 440 W
D) 880 W
E) not enough information

Question 2

Compared with the current in the primary coil of a transformer, the current in the secondary coil

A) is greater.
B) is less.
C) can be greater or less.
D) none of the above