 
			 
			MCQOPTIONS
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				| 1. | Value of permeability of tree space in SI units is | 
| A. | 4?x10-9 WbA-1m-1 | 
| B. | 4?x10-7 WbA-1m-1 | 
| C. | 4?x10-10 WbA-1m-1 | 
| D. | 4?x10-8 WbA-1m-1 | 
| Answer» C. 4?x10-10 WbA-1m-1 | |