

MCQOPTIONS
Saved Bookmarks
1. |
Determine the external resistor required to reduce the line voltage from 120 V to 72 V for the operation of a device. The device is rated for 120 V, 100 W. |
A. | 48 Ω |
B. | 96 Ω |
C. | 240 Ω |
D. | 144 Ω |
Answer» C. 240 Ω | |