MCQOPTIONS
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| 1. |
The use of optical isolation in the input module side of a controller device is to: |
| A. | Reduce the effect of electrical noise and prevent damage to the processor due to line voltage transient |
| B. | Prevent damage the processor due to line voltage transient |
| C. | Provide common ground |
| D. | Reduce the effect of electrical noise |
| Answer» B. Prevent damage the processor due to line voltage transient | |