MCQOPTIONS
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				| 1. | One coulomb of electrical charge is contributed by how many electrons? | 
| A. | 0.625 × 1019 | 
| B. | 1.6 × 10-19 | 
| C. | 1019 | 
| D. | None of these | 
| Answer» B. 1.6 × 10-19 | |