2. How many primary volts must be applied to a transformer with a turns ratio of 0.1 to obtain a secondary voltage of 9 V?
A. 0.9 V
B. 900 V
C. 90 V
D. 9 V
2. How many primary volts must be applied to a transformer with a turns ratio of 0.1 to obtain a secondary voltage of 9 V?
A. 0.9 V
B. 900 V
C. 90 V
D. 9 V