MCQOPTIONS
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| 1. |
The hot resistance of a bulb’s filament is higher than its cold resistance because the temperature coefficient of the filament is: |
| A. | Zero |
| B. | Negative |
| C. | Positive |
| D. | About 2 ῼ per degree C |
| Answer» D. About 2 ῼ per degree C | |