MCQOPTIONS
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| 1. |
A 555 operating as a monostable multivibrator has a C 1 = 100 F. Determine R 1 for a pulse width of 500 ms. |
| A. | 45 |
| B. | 455 |
| C. | 4.5 k |
| D. | 455 k |
| Answer» D. 455 k | |