 
			 
			MCQOPTIONS
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				| 1. | What is the value of gap maintained between the electrodes when we use servo mechanism? | 
| A. | 10 – 100 µm | 
| B. | 100 – 200 µm | 
| C. | 200 – 500 µm | 
| D. | 500 – 1000 µm | 
| Answer» D. 500 – 1000 µm | |