DGVCL Exam Paper (12-06-2016)
A certain transformer has 200 turns in the primary winding, 50 turns in the secondary winding and 120 volts applied to the primary. What is the voltage across the secondary?
In step up votlage, Output votlage > Input votlage Output current < Input current
In step down transformer Output votlage < Input votlage Output current > Input current. Power and frequency remains almost constant in stepup or stepdown transformer.
EXAMIANS