MCQOPTIONS
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| 1. |
Why is electrical wiring usually made of copper but not silver? |
| A. | Copper is a better conductor than silver. |
| B. | Copper is a better insulator than silver. |
| C. | Copper is less expensive than silver. |
| D. | Copper is non-magnetic than silver. |
| Answer» D. Copper is non-magnetic than silver. | |