What is the current in the secondary coil?

The current in the primary coil of a transformer is 2.5A. If the coil has 50 turns and the secondary 250 turns, What is the current in the secondary coil? Neglect energy losses in the transformer

A. 0.2A
B. 0.5A
C. 2.5A
D. 5A
E. 12.5A

Correct Answer:

Option B – 0.5A