MCQOPTIONS
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| 1. |
The turn-on time of an SCR with inductive load is 20 s. The puls train frequency is 2.5 KHz with a mark/space ratio of 1/10, then SCR will___________? |
| A. | Turn on |
| B. | Not turn on |
| C. | Turn on if inductance is removed |
| D. | Turn on if pulse frequency us increased to two times |
| Answer» B. Not turn on | |