GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
18. | A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? | |
A. | 7.8 mA | |
B. | 208 mA | |
C. | 200 mA | |
D. | 300 mA | |