A transformer is having 2100 turns in primary and 4200 turns is secondary. An ac source of 120 V, 10 A is connected to its primary. The secondary voltage and current are

Options

A. 240 V, 5 A
B. 120 V, 10 A
C. 240 V, 10 A
D. 120 V, 20 V

Answer

A